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Chess openings: moves, win rates and what people actually play

Every opening below is backed by real games — 4 million rated Lichess games, both players 1600+, blitz and slower. Percentages are what actually happened at the board, not theory.

1,914 openings136 families4 million games sampledboth players 1600+

Showing all 136 families · 1,914 openings

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The most-played named openings. Click through for full win rates and the usual continuations.

Sicilian Defense1. e4 c5537,871 games239 linesKing's Knight Opening1. e4 e5 2. Nf3476,616 games3 linesIndian Defense1. d4 Nf6283,157 games35 linesFrench Defense1. e4 e6265,885 games126 linesCaro-Kann Defense1. e4 c6238,343 games76 linesScandinavian Defense1. e4 d5215,893 games34 lines

Every bar and the numbers under it read white win / draw / black win.

1. e450 families · 1,103 openings

King's Pawn GameB001. e42,316,37749/5/4622 lines ▾
King's Pawn GameC201. e4 e5748,77350/5/45Leonardis VariationC201. e4 e5 2. d314,54148/5/47Busch-Gass GambitC401. e4 e5 2. Nf3 Bc59,14851/3/46Maróczy DefenseB071. e4 d6 2. d4 e56,76849/6/45MacLeod AttackC201. e4 e5 2. c35,22549/4/47McConnell DefenseC401. e4 e5 2. Nf3 Qf64,79148/4/48Wayward Queen AttackC201. e4 e5 2. Qh53,75250/5/45Napoleon AttackC201. e4 e5 2. Qf32,46949/5/46Alapin OpeningC201. e4 e5 2. Ne21,46950/5/45Tayler OpeningC441. e4 e5 2. Nf3 Nc6 3. Be21,26551/5/44King's Head OpeningC201. e4 e5 2. f31,10342/4/54Beyer GambitC201. e4 e5 2. d4 d51,00254/4/42Damiano DefenseC401. e4 e5 2. Nf3 f699558/4/38Gunderam GambitC401. e4 e5 2. Nf3 c697252/4/44Mengarini's OpeningC201. e4 e5 2. a392247/3/50Dresden OpeningC441. e4 e5 2. Nf3 Nc6 3. c463347/5/48Clam Variation, King's Gambit ReversedC201. e4 e5 2. d3 f534153/1/46Wayward Queen Attack, Kiddie CountergambitC201. e4 e5 2. Qh5 Nf628149/5/46Busch-Gass Gambit, Chiodini GambitC401. e4 e5 2. Nf3 Bc5 3. Nxe5 Nc621346/3/51Tortoise OpeningC201. e4 e5 2. Bd318051/1/48Schulze-Müller GambitC441. e4 e5 2. Nf3 Nc6 3. Nxe5 Nxe5 4. d414445/8/47MacLeod Attack, Lasa GambitC201. e4 e5 2. c3 f510443/5/52
Sicilian DefenseB201. e4 c5537,87148/5/47238 lines ▾
Sicilian DefenseB271. e4 c5 2. Nf3296,43048/5/47Old SicilianB301. e4 c5 2. Nf3 Nc6126,52049/5/46Modern VariationsB501. e4 c5 2. Nf3 d688,09248/6/46French VariationB401. e4 c5 2. Nf3 e660,82847/5/48OpenB321. e4 c5 2. Nf3 Nc6 3. d4 cxd459,03848/6/46OpenB321. e4 c5 2. Nf3 Nc6 3. d458,33949/6/45ClosedB231. e4 c5 2. Nc354,83050/5/45OpenB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd454,64748/6/46Sicilian DefenseB501. e4 c5 2. Nf3 d6 3. d449,98048/6/46Sicilian DefenseB501. e4 c5 2. Nf3 d6 3. d4 cxd449,05248/6/46Smith-Morra GambitB211. e4 c5 2. d441,74949/4/47Alapin VariationB221. e4 c5 2. c339,88449/5/46Bowdler AttackB201. e4 c5 2. Bc436,85046/4/50Modern Variations, Main LineB541. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf635,42748/6/46French Variation, OpenB401. e4 c5 2. Nf3 e6 3. d4 cxd430,97847/5/48McDonnell AttackB211. e4 c5 2. f430,02848/4/48Closed, TraditionalB231. e4 c5 2. Nc3 Nc625,15250/5/45Smith-Morra GambitB211. e4 c5 2. d4 cxd4 3. c322,77350/4/46Najdorf VariationB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a621,56748/6/46Nyezhmetdinov-Rossolimo AttackB301. e4 c5 2. Nf3 Nc6 3. Bb518,91651/5/44Löwenthal VariationB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e514,91349/6/45Hyperaccelerated DragonB271. e4 c5 2. Nf3 g614,43546/6/48Smith-Morra Gambit AcceptedB211. e4 c5 2. d4 cxd4 3. c3 dxc314,35250/4/46Taimanov VariationB441. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc614,31948/6/46Accelerated DragonB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g613,77648/6/46ClosedB231. e4 c5 2. Nc3 e613,11749/5/46OpenB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf611,50146/6/48Kan VariationB411. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a610,34046/5/49Taimanov VariationB451. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc39,85248/6/46Delayed Alapin Variation, with d6B501. e4 c5 2. Nf3 d6 3. c39,71748/6/46Delayed Alapin Variation, with e6B401. e4 c5 2. Nf3 e6 3. c39,32349/5/46Hyperaccelerated DragonB271. e4 c5 2. Nf3 g6 3. d47,83746/5/49Accelerated Dragon, Modern VariationB341. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc37,60149/6/45O'Kelly VariationB281. e4 c5 2. Nf3 a67,47648/5/47Dragon VariationB701. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g67,46247/6/47Grand Prix AttackB231. e4 c5 2. Nc3 Nc6 3. f47,19650/5/45Wing GambitB201. e4 c5 2. b46,86749/4/47Moscow VariationB511. e4 c5 2. Nf3 d6 3. Bb5+6,77847/8/45Kan Variation, Knight VariationB431. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc36,57845/4/51Staunton-Cochrane VariationB201. e4 c5 2. c46,49946/6/48Classical VariationB561. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc66,20948/6/46Four Knights VariationB451. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf65,96245/7/48French Variation, NormalB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf65,76145/6/49Mengarini VariationB201. e4 c5 2. a35,64049/5/46Alapin Variation, Barmen DefenseB221. e4 c5 2. c3 d5 3. exd5 Qxd55,63548/7/45Najdorf VariationB941. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg55,04948/5/47Nyezhmetdinov-Rossolimo Attack, Fianchetto VariationB311. e4 c5 2. Nf3 Nc6 3. Bb5 g64,89650/6/44Lasker-Pelikan VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e54,81448/7/45Morphy GambitB211. e4 c5 2. d4 cxd4 3. Nf34,67947/5/48Alapin Variation, Smith-Morra DeclinedB221. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd44,46046/7/47Kalashnikov VariationB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 d64,21851/6/43Najdorf Variation, English AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be34,19248/9/43Moscow Variation, Main LineB521. e4 c5 2. Nf3 d6 3. Bb5+ Bd73,78447/8/45Closed, Fianchetto VariationB241. e4 c5 2. Nc3 Nc6 3. g33,70151/6/43O'Kelly Variation, Normal SystemB281. e4 c5 2. Nf3 a6 3. d43,57947/4/49Najdorf VariationB951. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e63,47348/5/47Taimanov VariationB461. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a63,31949/5/46Czerniak AttackB201. e4 c5 2. b33,10346/5/49Dragon VariationB721. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be33,10147/7/46Lasker-Dunne AttackB201. e4 c5 2. g32,97750/5/45Chekhover VariationB531. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd42,90453/7/40Dragon Variation, Yugoslav Attack, Early DeviationsB751. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f32,69049/6/45Accelerated Dragon, Exchange VariationB341. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nxc62,63245/5/50Najdorf Variation, Lipnitsky AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc42,55849/4/47Hyperaccelerated PterodactylB271. e4 c5 2. Nf3 g6 3. d4 Bg72,50347/5/48Accelerated Dragon, Maróczy BindB361. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c42,48348/8/44Najdorf Variation, Opocensky VariationB921. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be22,37244/6/50Alapin Variation, Barmen DefenseB221. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf32,36850/7/43Marshall CounterattackB401. e4 c5 2. Nf3 e6 3. d4 d52,32248/5/47Accelerated Dragon, Maróczy BindB371. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg72,30751/8/41Wing Gambit, Marshall VariationB201. e4 c5 2. b4 cxb4 3. a32,29948/4/48Kramnik VariationB401. e4 c5 2. Nf3 e6 3. c42,15648/6/46Accelerated Dragon, Maróczy BindB381. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be32,14451/8/41Smith-Morra Gambit Declined, Push VariationB211. e4 c5 2. d4 cxd4 3. c3 d32,14250/5/45Dragon Variation, Yugoslav AttackB761. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc62,14249/7/44Nimzowitsch VariationB291. e4 c5 2. Nf3 Nf62,06845/5/50Keres VariationB201. e4 c5 2. Ne22,06149/5/46ClosedB231. e4 c5 2. Nc3 e6 3. g32,06051/5/44Dragon Variation, Yugoslav AttackB761. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O2,06050/6/44Najdorf VariationB961. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f42,05150/6/44Kan Variation, Maróczy Bind, Réti VariationB411. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c42,02847/6/47ClosedB241. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg72,02451/6/43Smith-Morra Gambit Declined, Alapin FormationB211. e4 c5 2. d4 cxd4 3. c3 Nf61,96846/6/48Scheveningen VariationB801. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d61,96748/5/47Modern Variations, TartakowerB501. e4 c5 2. Nf3 d6 3. d4 cxd4 4. c31,93948/4/48Taimanov Variation, Bastrikov VariationB471. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc71,88146/8/46ClosedB241. e4 c5 2. Nc3 Nc6 3. g3 g61,82550/6/44Accelerated Dragon, Modern Bc4 VariationB351. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc41,79647/6/47Smith-Morra Gambit DeferredB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. c31,77750/4/46Closed, Anti-Sveshnikov VariationB301. e4 c5 2. Nf3 Nc6 3. Nc3 e51,61448/7/45Portsmouth GambitB301. e4 c5 2. Nf3 Nc6 3. b41,60953/4/43Alapin Variation, Barmen Defense, Central ExchangeB221. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 Bg41,56857/5/38Najdorf Variation, Yates VariationB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bd31,56145/6/49Lasker-Pelikan Variation, Sveshnikov VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b51,42648/9/43Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd51,36948/10/42Smith-Morra Gambit Declined, Scandinavian FormationB211. e4 c5 2. d4 cxd4 3. c3 d51,34546/7/47Franco-Sicilian VariationB321. e4 c5 2. Nf3 Nc6 3. d4 e61,34455/3/42O'Kelly Variation, Venice SystemB281. e4 c5 2. Nf3 a6 3. c31,31750/6/44Four Knights Variation, Exchange VariationB451. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Nxc61,31746/11/43Richter-Rauzer VariationB601. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg51,29650/7/43Paulsen-Basman DefenseB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Bc51,29447/5/48Kan Variation, Modern VariationB421. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd31,28546/6/48Smith-Morra Gambit Accepted, Paulsen FormationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 a61,27751/5/44Najdorf Variation, English AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f31,27247/12/41Kan Variation, Wing AttackB431. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 b51,26745/4/51Smith-Morra Gambit Declined, Center FormationB211. e4 c5 2. d4 cxd4 3. c3 e51,21044/6/50Wing Gambit, Carlsbad VariationB201. e4 c5 2. b4 cxb4 3. a3 bxa31,18851/4/45Dragon Variation, Yugoslav Attack, Modern LineB761. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. O-O-O1,16049/6/45Najdorf VariationB981. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be71,15851/5/44Pin VariationB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb41,15148/5/47Lasker-Pelikan Variation, Schlechter VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nb31,14048/5/47Smith-Morra Gambit Accepted, Kan FormationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Nf3 a61,10048/3/49Prins VariationB541. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f31,09753/6/41Smith-Morra Gambit Accepted, Scheveningen FormationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 e61,00349/5/46Dragon Variation, Accelerated DragonB541. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 g61,00151/5/44O'Kelly Variation, Yerevan SystemB281. e4 c5 2. Nf3 a6 3. Nc398745/5/50French Variation, Westerinen AttackB401. e4 c5 2. Nf3 e6 3. b398147/6/47Delayed Alapin VariationB221. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf696647/8/45Najdorf Variation, Adams AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h396349/6/45Drazic VariationB401. e4 c5 2. Nf3 e6 3. d4 a695853/4/43Smith-Morra Gambit Accepted, Pin DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bb494847/6/47Dragon Variation, Yugoslav Attack, Belezky LineB751. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc690848/7/45Taimanov Variation, Bastrikov Variation, English AttackB481. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be388347/9/44Godiva VariationB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb686945/5/50Nimzowitsch Variation, Advance VariationB291. e4 c5 2. Nf3 Nf6 3. e585147/5/48Lasker-Pelikan Variation, Retreat VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nf384644/5/51Classical Variation, Sozin AttackB571. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc484151/4/45Smith-Morra Gambit Accepted, Fianchetto DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g684051/4/45Katalimov VariationB271. e4 c5 2. Nf3 b682152/3/45Nimzowitsch Variation, Closed VariationB291. e4 c5 2. Nf3 Nf6 3. Nc380947/7/46Closed, Chameleon VariationB231. e4 c5 2. Nc3 Nc6 3. Nge280550/7/43Smith-Morra Gambit Accepted, Fianchetto DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 g679452/4/44Richter-Rauzer VariationB621. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e677649/7/44Scheveningen Variation, English Attack, with f3B901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f373551/5/44Dragon Variation, Classical VariationB701. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be269246/6/48ClosedB251. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d668852/5/43Taimanov Variation, Szén VariationB441. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nb565556/5/39Dragon Variation, Yugoslav Attack, Main LineB771. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc465449/8/43Scheveningen Variation, Classical VariationB841. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e662843/4/53Lasker-Pelikan Variation, Exchange VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc662147/6/47Classical VariationB581. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be259848/8/44O'Kelly Variation, Normal System, Taimanov LineB281. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Nxd4 e559547/3/50Dragon Variation, Classical VariationB721. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be259245/6/49Modern Variations, Anti-Qxd4 Move OrderB501. e4 c5 2. Nf3 d6 3. d4 Nf658843/14/43Alapin Variation, Barmen Defense, Modern LineB221. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg454751/8/41O'Kelly Variation, Maróczy BindB281. e4 c5 2. Nf3 a6 3. c452150/8/42Sozin AttackB861. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc451949/4/47Wing Gambit DeferredB401. e4 c5 2. Nf3 e6 3. b451853/5/42Najdorf Variation, English AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be7 8. f351351/9/40Najdorf Variation, Amsterdam VariationB931. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f451352/6/42Alapin Variation, Anti-Alapin GambitB221. e4 c5 2. c3 d5 3. exd5 Nf651149/8/43Najdorf Variation, Traditional LineB981. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc750852/4/44Closed, Korchnoi DefenseB231. e4 c5 2. Nc3 e6 3. g3 d550449/4/47Richter-Rauzer Variation, Traditional VariationB631. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd247852/9/39McDonnell Attack, Tal GambitB211. e4 c5 2. f4 d5 3. exd5 Nf646447/4/49Alapin Variation, Barmen DefenseB221. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 g6 5. Nf342446/7/47Dragon Variation, Yugoslav Attack, Main LineB771. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd741150/6/44Najdorf Variation, Main LineB991. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd740753/4/43Jalalabad VariationB271. e4 c5 2. Nf3 e538156/3/41O'Kelly Variation, Maróczy Bind, Paulsen LineB281. e4 c5 2. Nf3 a6 3. c4 e637847/7/46O'Kelly Variation, Venice System, Steiner LineB281. e4 c5 2. Nf3 a6 3. c3 d637250/4/46Morphy Gambit, Andreaschek GambitB211. e4 c5 2. d4 cxd4 3. Nf3 e5 4. c336750/9/41Nimzo-American VariationB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 d535851/8/41Alapin Variation, Stoltz AttackB221. e4 c5 2. c3 Nf6 3. e5 Nd5 4. Nf3 Nc6 5. Bc4 Nb6 6. Bb333755/6/39Flohr VariationB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qc732946/4/50Najdorf Variation, Opocensky VariationB921. e4 c5 2. Nf3 Nf6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 a6 6. Be2 e5 7. Nb3 Be6 8. Be332245/8/47Halasz GambitB211. e4 c5 2. d4 cxd4 3. f432046/4/50ClosedB261. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be331754/5/41Moscow Variation, Sokolsky VariationB521. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c431745/11/44Najdorf Variation, Zagreb VariationB911. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g331646/7/47Dragon Variation, Classical VariationB721. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Be2 Nc631351/5/44Wing Gambit, Deferred VariationB501. e4 c5 2. Nf3 d6 3. b431246/4/50Najdorf Variation, Petronić AttackB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Rg130157/6/37Najdorf Variation, Poisoned Pawn VariationB971. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb628042/13/45Taimanov Variation, Bastrikov VariationB491. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Be228043/7/50Dragon Variation, Modern Bc4 VariationB351. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 d627650/5/45Dragon Variation, Levenfish VariationB711. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f426960/4/36Smith-Morra Gambit Accepted, Danish VariationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nf326649/3/48Najdorf Variation, English Attack, Anti-EnglishB901. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng426644/14/42Wing Gambit, Abrahams VariationB201. e4 c5 2. b4 cxb4 3. Bb225949/3/48Four Knights Variation, Sveshnikov TransferB451. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 d625157/11/32Richter-Rauzer Variation, Neo-Modern Variation, Early DeviationsB661. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a624854/10/36Lasker-Pelikan Variation, Sveshnikov VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 f524548/8/44Kveinis VariationB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb624441/6/53Sozin Attack, Leonhardt VariationB881. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e623151/5/44Quinteros VariationB271. e4 c5 2. Nf3 Qc722752/4/44Dragon Variation, Yugoslav AttackB781. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O22247/5/48Closed, Carlsen VariationB231. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd221656/4/40Pin Variation, Koch VariationB401. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Bb4 6. e520450/7/43Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk VariationB331. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Bxf6 gxf6 10. Nd5 Bg719248/3/49Scheveningen Variation, Classical VariationB831. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be219046/4/50Smith-Morra Gambit Accepted, Classical FormationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 a6 7. O-O Nf618538/8/54McDonnell Attack, Toilet VariationB211. e4 c5 2. f4 d5 3. Nc318547/5/48O'Kelly Variation, Réti SystemB281. e4 c5 2. Nf3 a6 3. g318455/8/37O'Kelly Variation, Normal System, Smith-Morra LineB281. e4 c5 2. Nf3 a6 3. d4 cxd4 4. c318248/4/48Richter-Rauzer Variation, Classical VariationB631. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 Be718246/8/46Sozin Attack, Flank VariationB871. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b518155/4/41Boleslavsky VariationB581. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 e518150/8/42Kan Variation, Polugaevsky VariationB421. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Bc517147/8/45Myers Attack, with a4B201. e4 c5 2. a416946/7/47Richter-Rauzer Variation, Modern VariationB601. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 Bd716743/10/47Scheveningen Variation, Keres AttackB811. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. g416760/3/37Modern Variations, Ginsberg GambitB541. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Bc416452/4/44Smith-Morra Gambit Declined, Dubois VariationB211. e4 c5 2. d4 cxd4 3. c3 d3 4. c416156/1/43Richter-Rauzer Variation, Neo-Modern VariationB671. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. O-O-O Bd715552/11/37Accelerated Dragon, Maróczy Bind, Gurgenidze VariationB361. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Nf6 6. Nc3 Nxd4 7. Qxd4 d614937/15/48Alapin Variation, Sherzer VariationB401. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 Nc614853/4/43Kronberger VariationB201. e4 c5 2. Na314640/6/54Accelerated Dragon, Maróczy Bind, Breyer VariationB391. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng413646/11/43ClosedB251. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f413451/7/42Dragon Variation, Yugoslav Attack, Old LineB781. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc813347/6/47O'Kelly Variation, Maróczy Bind, Geller LineB321. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 a6 5. c4 e512946/13/41Dragon Variation, Yugoslav Attack, Main LineB771. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. Bb312651/6/43Smith-Morra Gambit Accepted, Fianchetto DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 g612350/6/44O'Kelly Variation, Aronin SystemB281. e4 c5 2. Nf3 a6 3. Be212241/8/51Najdorf Variation, Poisoned Pawn AcceptedB971. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa312140/18/42O'Kelly Variation, Quiet SystemB281. e4 c5 2. Nf3 a6 3. d312048/4/48O'Kelly Variation, Normal System, Zagorovsky LineB281. e4 c5 2. Nf3 a6 3. d4 cxd4 4. Qxd412048/8/44Four Knights Variation, Cobra VariationB451. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bc511945/5/50Dragon Variation, Fianchetto VariationB701. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. g311843/12/45Boleslavsky VariationB591. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be2 e5 7. Nb311343/7/50Dragon Variation, Yugoslav Attack, Panov VariationB761. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. g411247/10/43Grand Prix Attack, Schofman VariationB231. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f511068/3/29Najdorf Variation, Opocensky Variation, Modern LineB921. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O Be610747/10/43Najdorf Variation, Opocensky Variation, Traditional LineB921. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. O-O O-O10744/5/51Smith-Morra Gambit Accepted, Fianchetto DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 g610651/5/44Classical Variation, Anti-Sozin VariationB571. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 Qb610642/4/54Bücker VariationB271. e4 c5 2. Nf3 h610356/4/40Scheveningen Variation, English Attack, with Qd2B801. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. Qd210245/6/49Richter-Rauzer Variation, Modern VariationB611. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd29941/11/48Smith-Morra Gambit Accepted, Morphy DefenseB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Bc59549/4/47Modern Variations, Anti-Qxd4 Move Order AcceptedB501. e4 c5 2. Nf3 d6 3. d4 Nf6 4. dxc5 Nxe49443/2/55O'Kelly Variation, Venice System, Barcza LineB281. e4 c5 2. Nf3 a6 3. c3 Nf69149/15/36Delayed Alapin Variation, Basman-Palatnik GambitB501. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe48749/6/45O'Kelly Variation, Kieseritzky SystemB281. e4 c5 2. Nf3 a6 3. b38445/7/48O'Kelly Variation, Venice System, Ljubojevic LineB281. e4 c5 2. Nf3 a6 3. c3 b58250/2/48Kopec SystemB501. e4 c5 2. Nf3 d6 3. Bd38254/1/45Smith-Morra Gambit Accepted, Siberian VariationB211. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc78039/9/52
King's Knight OpeningC401. e4 e5 2. Nf3476,61650/5/452 lines ▾
Normal VariationC441. e4 e5 2. Nf3 Nc6327,96850/5/45KonstantinopolskyC441. e4 e5 2. Nf3 Nc6 3. g368547/4/49
French DefenseC001. e4 e6265,88548/5/47125 lines ▾
Normal VariationC001. e4 e6 2. d4155,65448/5/47French DefenseC001. e4 e6 2. d4 d5120,93148/6/46Knight VariationC001. e4 e6 2. Nf361,38247/5/48Advance VariationC021. e4 e6 2. d4 d5 3. e539,93347/5/48Exchange VariationC011. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf337,29947/6/47Advance VariationC021. e4 e6 2. d4 d5 3. e5 c535,50646/5/49Exchange VariationC011. e4 e6 2. d4 d5 3. exd534,99147/6/47Paulsen VariationC101. e4 e6 2. d4 d5 3. Nc333,15449/6/45Advance VariationC021. e4 e6 2. d4 d5 3. e5 c5 4. c328,60347/5/48Advance VariationC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc620,58046/5/49Advance Variation, Paulsen AttackC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf317,69847/5/48Queen's KnightC001. e4 e6 2. Nc315,33248/5/47Classical VariationC111. e4 e6 2. d4 d5 3. Nc3 Nf614,68548/7/45La Bourdonnais VariationC001. e4 e6 2. f414,32248/4/48Tarrasch VariationC031. e4 e6 2. d4 d5 3. Nd213,70450/6/44Franco-Sicilian DefenseC001. e4 e6 2. d4 c510,53451/4/45Exchange VariationC011. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc39,28845/6/49King's Indian AttackC001. e4 e6 2. d38,51048/5/47Rubinstein VariationC101. e4 e6 2. d4 d5 3. Nc3 dxe48,07650/6/44Classical Variation, Steinitz VariationC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e57,98246/8/46Winawer VariationC151. e4 e6 2. d4 d5 3. Nc3 Bb47,83849/6/45Steiner VariationC001. e4 e6 2. c47,03151/5/44Advance Variation, Nimzowitsch SystemC021. e4 e6 2. d4 d5 3. e5 c5 4. Nf35,97843/5/52Exchange Variation, Monte Carlo VariationC011. e4 e6 2. d4 d5 3. exd5 exd5 4. c45,82349/6/45Two Knights VariationC001. e4 e6 2. Nf3 d5 3. Nc35,45250/5/45Classical VariationC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg55,22150/7/43Tarrasch Variation, Closed VariationC051. e4 e6 2. d4 d5 3. Nd2 Nf64,85351/5/44Advance Variation, Euwe VariationC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd74,53745/6/49Winawer Variation, Advance VariationC161. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e54,03349/6/45Tarrasch Variation, Open SystemC071. e4 e6 2. d4 d5 3. Nd2 c53,69948/8/44Schlechter VariationC001. e4 e6 2. d4 d5 3. Bd33,35448/6/46Steinitz VariationC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf33,34044/13/43Advance Variation, Milner-Barry GambitC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd33,28951/5/44Rubinstein Variation, Blackburne DefenseC101. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd73,27647/8/45Steinitz AttackC001. e4 e6 2. e53,17846/4/50Winawer Variation, Advance VariationC171. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c52,87548/6/46Classical Variation, Normal VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be72,77151/6/43Horwitz AttackC001. e4 e6 2. b32,61149/5/46Advance Variation, Main LineC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a32,35749/5/46Marshall GambitC101. e4 e6 2. d4 d5 3. Nc3 c52,28153/4/43Steinitz Variation, Boleslavsky VariationC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Nc6 7. Be32,17443/17/40Winawer Variation, Advance VariationC171. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a32,10548/6/46Mediterranean DefenseC001. e4 e6 2. d4 Nf61,98550/4/46Classical VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be71,91249/8/43Tarrasch Variation, Closed VariationC051. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc61,81453/5/42Wing GambitC001. e4 e6 2. Nf3 d5 3. e5 c5 4. b41,68451/4/45Chigorin VariationC001. e4 e6 2. Qe21,58950/5/45Horwitz Attack, Papa-Ticulat GambitC001. e4 e6 2. b3 d5 3. Bb21,52750/5/45Classical Variation, Burn VariationC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe41,51149/8/43Winawer Variation, Advance VariationC181. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc31,50147/6/47St. George DefenseC001. e4 e6 2. d4 a61,29751/3/46Winawer Variation, Delayed Exchange VariationC151. e4 e6 2. d4 d5 3. Nc3 Bb4 4. exd51,25246/6/48Exchange Variation, Svenonius VariationC011. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd5 exd5 5. Bg51,19647/5/48Tarrasch Variation, Open System, Euwe-Keres LineC071. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf31,07650/8/42Classical VariationC141. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe799250/8/42Classical Variation, Shirov-Anand VariationC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce297952/4/44Perseus GambitC001. e4 e6 2. d4 d5 3. Nf397042/4/54Advance Variation, Kupreichik VariationC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Be395747/5/48Tarrasch Variation, Open System, Süchting LineC071. e4 e6 2. d4 d5 3. Nd2 c5 4. c394747/5/48Classical Variation, Delayed Exchange VariationC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. exd594548/5/47Réti-Spielmann AttackC001. e4 e6 2. g391046/6/48Advance Variation, Milner-Barry Gambit, Main LineC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. O-O89452/5/43Winawer Variation, Advance VariationC181. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne786448/7/45Rubinstein Variation, Fort Knox VariationC101. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc682244/9/47Advance Variation, Extended Bishop SwapC021. e4 e6 2. d4 d5 3. e5 Bd781845/6/49Alapin GambitC001. e4 e6 2. d4 d5 3. Be381253/4/43Pelikan VariationC001. e4 e6 2. Nc3 d5 3. f479448/5/47Diemer-Duhm GambitC001. e4 e6 2. d4 d5 3. c478147/4/49Tarrasch Variation, Open SystemC081. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd577548/8/44Alekhine-Chatard AttackC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h472455/6/39Tarrasch Variation, Pawn Center VariationC051. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. f471751/4/45Tarrasch Variation, Guimard DefenseC031. e4 e6 2. d4 d5 3. Nd2 Nc667751/6/43Advance Variation, Wade VariationC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd767349/6/45Advance Variation, Nimzowitsch AttackC021. e4 e6 2. d4 d5 3. e5 c5 4. Qg464454/3/43Advance Variation, Steinitz VariationC021. e4 e6 2. d4 d5 3. e5 c5 4. dxc564146/4/50McCutcheon VariationC121. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb460948/6/46Tarrasch Variation, Chistyakov DefenseC071. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd556946/11/43Tarrasch Variation, Closed Variation, Main LineC061. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Bd3 c5 6. c3 Nc6 7. Ne2 cxd4 8. cxd455550/6/44Classical Variation, Swiss VariationC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bd355450/4/46Hecht-Reefschläger VariationC101. e4 e6 2. d4 d5 3. Nc3 Nc652748/6/46Winawer Variation, Alekhine-Maróczy GambitC151. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne251953/6/41Diemer-Duhm Gambit AcceptedC001. e4 e6 2. d4 d5 3. c4 dxe451145/4/51McCutcheon Variation, Advance VariationC121. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e551149/6/45Classical Variation, Steinitz VariationC141. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. f449252/8/40Orthoschnapp GambitC001. e4 e6 2. c4 d5 3. cxd5 exd5 4. Qb347057/4/39Franco-Hiva GambitC001. e4 e6 2. d4 f541952/3/45Tarrasch Variation, Open System, Main LineC091. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc638047/7/46Advance Variation, Milner-Barry Gambit, Hector VariationC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. O-O Bd7 8. Re133757/4/39Classical Variation, Richter AttackC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf632150/5/45Winawer Variation, Fingerslip VariationC151. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Bd231949/6/45Advance Variation, Milner-Barry Gambit, Hector VariationC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. O-O30750/4/46Winawer Variation, Maróczy-Wallis VariationC171. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 cxd4 6. axb4 dxc328650/6/44Tarrasch Variation, Guimard Defense, Main LineC041. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf628354/4/42Tarrasch Variation, Morozevich VariationC031. e4 e6 2. d4 d5 3. Nd2 Be728148/6/46La Bourdonnais Variation, Reuter GambitC001. e4 e6 2. f4 d5 3. Nf3 dxe425339/4/57Bird InvitationC001. e4 e6 2. Bb524945/6/49Winawer Variation, Classical VariationC181. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc724547/7/46Winawer Variation, Bogoljubow VariationC171. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Bd224245/7/48Winawer Variation, Poisoned Pawn VariationC181. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc723047/8/45Franco-Hiva Gambit AcceptedC001. e4 e6 2. d4 f5 3. exf521953/2/45St. George Defense, Three Pawn AttackC001. e4 e6 2. d4 a6 3. c421856/4/40Advance Variation, Nimzowitsch GambitC021. e4 e6 2. d4 d5 3. e5 c5 4. Qg4 cxd4 5. Nf320955/2/43Advance Variation, Lputian VariationC021. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 Nh620842/5/53Tarrasch Variation, Modern SystemC031. e4 e6 2. d4 d5 3. Nd2 a620748/9/43Winawer Variation, Retreat VariationC171. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba520050/8/42Winawer Variation, Portisch-Hook VariationC181. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qa519145/2/53McCutcheon Variation, Lasker VariationC121. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc318948/8/44Alekhine-Chatard Attack, Albin-Chatard GambitC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 Bxg5 7. hxg5 Qxg517460/6/34Winawer Variation, Alekhine Gambit AcceptedC151. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Ne2 dxe4 5. a3 Bxc3+16857/5/38Classical Variation, Burn Variation, Morozevich LineC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf616756/9/35Carlson GambitC001. e4 e6 2. d4 d5 3. Nf3 dxe4 4. Ne516443/5/52Alekhine-Chatard Attack, Maróczy VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a615852/8/40Advance Variation, Ruisdonk GambitC021. e4 e6 2. d4 d5 3. e5 c5 4. Nf3 cxd4 5. Bd314149/4/47Winawer Variation, Positional VariationC191. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Nf314150/2/48Winawer Variation, Petrosian VariationC161. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd714143/10/47McCutcheon Variation, Chigorin VariationC121. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. exf613242/4/54Knight Variation, Franco-Hiva GambitC001. e4 e6 2. Nf3 f512054/3/43Tarrasch Variation, Haberditz VariationC031. e4 e6 2. d4 d5 3. Nd2 f511845/8/47Winawer Variation, Advance Variation, Moscow VariationC171. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. Qg410963/5/32Classical Variation, Pollock VariationC141. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. Bxe7 Qxe7 7. Qg410059/8/33Alekhine-Chatard Attack, Breyer VariationC131. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 c58856/2/42Winawer Variation, Poisoned Pawn Variation, Main LineC181. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne28744/10/46Classical Variation, Burn Variation, Main LineC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 O-O8651/8/41Henneberger VariationC111. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Be38555/2/43Steinitz VariationC111. e4 e6 2. d4 d5 3. Nc3 a6 4. Nf3 Nf6 5. e5 Nfd78046/4/50
Caro-Kann DefenseB101. e4 c6238,34348/5/4775 lines ▾
Caro-Kann DefenseB121. e4 c6 2. d4130,84049/6/45Caro-Kann DefenseB121. e4 c6 2. d4 d5124,21149/6/45Advance VariationB121. e4 c6 2. d4 d5 3. e543,83847/5/48Exchange VariationB131. e4 c6 2. d4 d5 3. exd5 cxd539,49848/6/46Exchange VariationB131. e4 c6 2. d4 d5 3. exd538,64648/6/46Caro-Kann DefenseB151. e4 c6 2. d4 d5 3. Nc331,53150/6/44Main LineB151. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe428,00250/6/44Caro-Kann DefenseB151. e4 c6 2. d4 d5 3. Nc3 dxe426,05550/6/44Caro-Kann DefenseB101. e4 c6 2. Nc317,85748/6/46Caro-Kann DefenseB101. e4 c6 2. Nc3 d516,79048/6/46Exchange VariationB131. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc616,19745/5/50Advance Variation, Botvinnik-Carls DefenseB121. e4 c6 2. d4 d5 3. e5 c514,06346/5/49Two Knights AttackB101. e4 c6 2. Nc3 d5 3. Nf312,73050/6/44Hillbilly AttackB101. e4 c6 2. Bc410,15343/5/52Classical VariationB181. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf59,63550/6/44Panov AttackB131. e4 c6 2. d4 d5 3. exd5 cxd5 4. c49,61951/6/43Accelerated Panov AttackB101. e4 c6 2. c48,02251/5/44Tartakower VariationB151. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf68,01348/6/46Advance Variation, Short VariationB121. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf37,81345/8/47Accelerated Panov AttackB101. e4 c6 2. c4 d56,70852/5/43Modern VariationB121. e4 c6 2. d4 d5 3. Nd26,44651/6/43Maróczy VariationB121. e4 c6 2. d4 d5 3. f35,87052/4/44Breyer VariationB101. e4 c6 2. d35,80048/5/47Advance Variation, Tal VariationB121. e4 c6 2. d4 d5 3. e5 Bf5 4. h44,37052/5/43Panov AttackB131. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc34,35251/6/43Endgame OfferB101. e4 c6 2. Nf3 d5 3. d33,05754/5/41Two Knights Attack, Mindeno VariationB111. e4 c6 2. Nc3 d5 3. Nf3 Bg42,96146/6/48Karpov VariationB171. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd72,63050/6/44Accelerated Panov Attack, Modern VariationB101. e4 c6 2. c4 d5 3. exd5 cxd5 4. cxd5 Nf62,29350/6/44Classical Variation, Main LineB181. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h42,16751/7/42Advance Variation, Bayonet AttackB121. e4 c6 2. d4 d5 3. e5 Bf5 4. g42,05048/4/48Panov Attack, Modern DefenseB131. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc61,95250/7/43Exchange Variation, Rubinstein VariationB131. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf41,92349/7/44Rasa-Studier GambitB151. e4 c6 2. d4 d5 3. Nc3 dxe4 4. f31,86752/4/44Campomanes AttackB151. e4 c6 2. d4 d5 3. Nc3 Nf61,80154/5/41Panov AttackB141. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e61,74550/6/44Advance Variation, Van der Wiel AttackB121. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc31,68249/4/47von Hennig GambitB151. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Bc41,31659/4/37Dinic GambitB101. e4 c6 2. Nf3 d5 3. d3 dxe4 4. Ng51,17062/3/35Classical VariationB191. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd71,16748/8/44Panov Attack, Modern Defense, Mieses LineB131. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg41,14551/7/42Alien GambitB151. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Ng5 h6 6. Nxf71,09853/4/43Two Knights Attack, Mindeno Variation, Exchange LineB111. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf31,02748/7/45Exchange VariationB131. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bf41,02548/5/47Forgacs VariationB151. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. Bc493348/7/45Classical Variation, Spassky VariationB191. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h586048/9/43Euwe AttackB101. e4 c6 2. b369547/6/47Bronstein-Larsen VariationB161. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ gxf666649/6/45Endgame VariationB101. e4 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd166653/8/39Goldman VariationB101. e4 c6 2. Nc3 d5 3. Qf366356/5/39Apocalypse AttackB101. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. Ne556151/4/45Advance Variation, Bronstein VariationB121. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne252751/4/45Panov Attack, Fianchetto DefenseB141. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 g651343/7/50Gurgenidze SystemB151. e4 c6 2. d4 d5 3. Nc3 g647550/5/45Maróczy Variation, Maróczy GambitB121. e4 c6 2. d4 d5 3. f3 dxe4 4. fxe4 e5 5. Nf3 exd4 6. Bc445766/4/30Two Knights Attack, Mindeno Variation, Retreat LineB111. e4 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bh544152/5/43Alekhine GambitB151. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Bd341350/6/44Ulysses GambitB121. e4 c6 2. d4 d5 3. Nf3 dxe4 4. Ng540541/5/54Karpov Variation, Modern Variation, Kasparov AttackB171. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng339246/6/48Accelerated Panov Attack, Open VariationB101. e4 c6 2. c4 e536749/5/46Panov Attack, Main LineB141. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb426151/7/42Hillbilly Attack, Schaeffer GambitB101. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh524956/2/42Panov Attack, Gunderam AttackB131. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. c523447/6/47Masi VariationB121. e4 c6 2. d4 Nf621555/5/40Karpov Variation, Modern VariationB171. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Ng521354/6/40Classical Variation, Maróczy AttackB181. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. f420054/4/42Mieses GambitB121. e4 c6 2. d4 d5 3. Be318650/3/47Classical Variation, Flohr VariationB181. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nh314656/6/38Panov Attack, Modern Defense, Carlsbad LineB131. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Bg5 e614350/6/44Tartakower Variation, Perlis LineB151. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8. Qc2 h612453/6/41Advance Variation, Van der Wiel AttackB121. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h412048/4/48Gurgenidze CounterattackB151. e4 c6 2. d4 d5 3. Nc3 b512042/8/50Finnish VariationB161. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 h610750/8/42Toikkanen GambitB101. e4 c6 2. c4 d5 3. e510150/5/45Classical Variation, Lobron SystemB191. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 e6 11. Bd2 Ngf6 12. O-O-O Be78747/18/35
Scandinavian DefenseB011. e4 d5215,89348/5/4733 lines ▾
Mieses-Kotroc VariationB011. e4 d5 2. exd5 Qxd5106,27948/5/47Modern VariationB011. e4 d5 2. exd5 Nf646,75247/5/48Main LineB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qa529,35147/5/48Valencian VariationB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qd827,19149/6/45Modern VariationB011. e4 d5 2. exd5 Nf6 3. d410,88649/5/46Blackburne-Kloosterboer GambitB011. e4 d5 2. exd5 c68,04747/4/49Gubinsky-Melts DefenseB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qd65,75848/5/47Marshall VariationB011. e4 d5 2. exd5 Nf6 3. d4 Nxd55,65150/6/44Main Line, Mieses VariationB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf64,67347/5/48Panov TransferB011. e4 d5 2. exd5 Nf6 3. c4 c64,64344/4/52Icelandic-Palme GambitB011. e4 d5 2. exd5 Nf6 3. c4 e64,16644/4/52Boehnke GambitB011. e4 d5 2. exd5 e5 3. dxe6 Bxe63,18549/4/47Blackburne GambitB011. e4 d5 2. exd5 c6 3. dxc6 Nxc63,13947/4/49Portuguese GambitB011. e4 d5 2. exd5 Nf6 3. d4 Bg42,29744/5/51Main Line, Leonhardt GambitB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. b41,85353/3/44Modern Variation, Gipslis VariationB011. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 Bg41,47654/5/41Kloosterboer GambitB011. e4 d5 2. exd5 c6 3. dxc6 e51,29247/2/51Valencian Variation, Main LineB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg41,13449/6/45Portuguese Gambit, Wuss VariationB011. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Be291646/6/48Portuguese Gambit, Classical VariationB011. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. Nf360149/5/46Valencian Variation, Ilundain VariationB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 c656548/8/44Kiel VariationB011. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb451047/3/50Classical VariationB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bf547846/6/48Richter VariationB011. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. Nf3 g644450/5/45Lasker VariationB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 Bg4 6. h343754/5/41Schiller-Pytel VariationB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 c641349/7/44Bronstein VariationB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. d4 Nf6 5. Nf3 a640247/6/47Anderssen CounterattackB011. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 e537852/7/41Portuguese Gambit, Banker VariationB011. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. c436333/4/63Portuguese Gambit, Correspondence RefutationB011. e4 d5 2. exd5 Nf6 3. d4 Bg4 4. f3 Bf5 5. g414546/3/51Kádas GambitB011. e4 d5 2. exd5 Nf6 3. d4 c6 4. dxc6 e58547/2/51Scandinavian DefenseB011. e4 d5 2. b38354/2/44Richter VariationB011. e4 d5 2. exd5 Nf6 3. d4 g68353/2/45
Italian GameC501. e4 e5 2. Nf3 Nc6 3. Bc4142,18649/5/46104 lines ▾
Giuoco PianoC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc553,18548/6/46Two Knights DefenseC551. e4 e5 2. Nf3 Nc6 3. Bc4 Nf650,87849/5/46Two Knights Defense, Modern Bishop's OpeningC551. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d320,47550/5/45Classical VariationC531. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c318,24150/5/45Giuoco Pianissimo, NormalC501. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc514,78049/6/45Two Knights Defense, Knight AttackC571. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng512,62648/4/48Anti-Fried Liver DefenseC501. e4 e5 2. Nf3 Nc6 3. Bc4 h612,61053/5/42Paris DefenseC501. e4 e5 2. Nf3 Nc6 3. Bc4 d611,46951/5/44Two Knights Defense, Knight Attack, Normal VariationC571. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d510,31948/4/48Classical VariationC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf610,17049/6/45Giuoco PianissimoC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d39,67046/7/47Hungarian DefenseC501. e4 e5 2. Nf3 Nc6 3. Bc4 Be77,75348/6/46Classical Variation, Giuoco PianissimoC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d37,65749/7/44Giuoco Pianissimo, Italian Four Knights VariationC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc37,36549/5/46Rousseau GambitC501. e4 e5 2. Nf3 Nc6 3. Bc4 f56,32347/3/50Two Knights Defense, Polerio DefenseC581. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na55,96247/5/48Classical Variation, Center AttackC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d45,32550/5/45Two Knights Defense, Polerio Defense, Bishop Check LineC581. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+5,24947/5/48Two Knights Defense, Open VariationC561. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d44,85551/4/45Evans GambitC511. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b44,70052/3/45Two Knights Defense, Modern Bishop's OpeningC551. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be74,50249/6/45Blackburne-Kostić GambitC501. e4 e5 2. Nf3 Nc6 3. Bc4 Nd44,11848/4/48Evans Gambit AcceptedC511. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb43,76353/2/45Classical Variation, Greco Gambit, Traditional LineC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd43,37548/5/47Classical Variation, Giuoco PianissimoC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d63,15547/10/43Scotch GambitC561. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O2,85851/6/43Classical Variation, Albin GambitC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. c32,69251/4/45Rosentreter GambitC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d42,20449/5/46Classical Variation, Giuoco PianissimoC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c31,87846/13/41Giuoco Piano, Greco's AttackC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc31,86847/5/48Classical Variation, La Bourdonnais VariationC531. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 d6 5. d4 exd4 6. cxd4 Bb61,80346/4/50Two Knights DefenseC551. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nxe4 d51,75638/5/57Scotch Gambit, Max Lange AttackC561. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Bc51,68860/3/37Scotch Gambit, Max Lange AttackC561. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 d5 6. Bb5 Ne41,67546/6/48Classical Variation, Greco Gambit, Modern LineC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e51,66552/5/43Classical Variation, Giuoco PianissimoC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 h6 6. c31,65351/5/44Deutz GambitC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d41,59758/4/38Evans Gambit, Main LineC521. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba51,55451/3/46Two Knights Defense, Traxler CounterattackC571. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc51,40848/4/48Two Knights Defense, Fritz VariationC571. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd41,38245/4/51Giuoco PianissimoC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. O-O O-O1,31548/4/48Two Knights Defense, Max Lange AttackC561. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Bc5 6. e51,30662/2/36Scotch Gambit, Double Gambit AcceptedC561. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe41,23845/8/47Two Knights Defense, Ulvestad VariationC571. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 b51,19542/5/53Evans Gambit, McDonnell DefenseC511. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc51,17756/3/41Two Knights Defense, Fried Liver AttackC571. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nxf71,12664/4/32Two Knights Defense, Polerio Defense, Bogoljubow VariationC581. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf31,06047/5/48Giuoco Pianissimo, Canal VariationC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3 d6 6. Bg51,03549/5/46Giuoco PianissimoC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. O-O O-O 6. d31,00949/5/46Classical Variation, Greco Gambit, Modern LineC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d589447/6/47Evans Gambit, Anderssen VariationC511. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be788352/2/46Evans Gambit, Pierce DefenseC521. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd486255/3/42Two Knights Defense, Perreux VariationC561. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. Ng586051/4/45Classical Variation, Giuoco Pianissimo, with h6C541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 h682048/7/45Scotch Gambit, Anderssen AttackC561. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc375744/9/47Two Knights Defense, Ponziani-Steinitz GambitC571. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Nxe472943/3/54Giuoco Pianissimo, Lucchini GambitC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 f572850/3/47Two Knights DefenseC581. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be272847/6/47Two Knights Defense, Traxler Counterattack, Bishop Sacrifice LineC571. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Bxf7+71150/4/46Classical Variation, Greco Gambit, Main LineC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc366943/5/52Scotch Gambit, Janowski DefenseC561. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O d664749/6/45Classical Variation, Giuoco PianissimoC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 O-O64348/12/40Evans Gambit DeclinedC511. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb655447/5/48Scotch Gambit, de Riviere DefenseC561. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Be753650/5/45Giuoco PianissimoC501. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. O-O Bc5 5. Nc3 d6 6. d351737/8/55Two Knights Defense, Traxler Counterattack, Knight Sacrifice LineC571. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf751145/3/52Two Knights Defense, Polerio Defense, Suhle DefenseC591. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h647045/5/50Classical Variation, Giuoco Pianissimo, with a6C541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a643244/8/48Scotch Invitation DeclinedC561. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 d643152/6/42Scotch Gambit, Max Lange Attack, Spielmann DefenseC561. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. O-O Bc5 6. e5 Ng438756/3/41Classical Variation, Greco Gambit, Moeller-Therkatz AttackC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Bxc3 9. d533947/7/46Classical Variation, Greco Gambit, Greco VariationC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc332555/6/39Scotch Gambit, Walbrodt-Baird GambitC561. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. O-O31353/5/42Classical Variation, Greco Gambit, Anderssen VariationC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+31150/8/42Classical Variation, Giuoco Pianissimo, Albin VariationC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. b429950/4/46Two Knights Defense, Polerio Defense, Kieseritzky VariationC581. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. d328950/6/44Jerome GambitC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Bxf7+27548/5/47Classical Variation, with d5C541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d527152/5/43Two Knights Defense, Modern Bishop's OpeningC551. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. O-O d626151/6/43Classical Variation, Giuoco PianissimoC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a624148/8/44Classical Variation, Giuoco PianissimoC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 O-O 6. c3 d524148/4/48Classical Variation, Greco Gambit, Dubov ItalianC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. b423455/3/42Bird's AttackC531. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. b422947/4/49Evans Gambit, Stone-Ware VariationC511. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bd621849/2/49Evans Gambit, Bronstein DefenseC521. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d620546/5/49Classical Variation, Closed VariationC531. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe720548/4/48Evans Gambit, Slow VariationC521. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O18748/1/51Classical Variation, Giuoco PianissimoC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 a516432/45/23Evans Gambit DeclinedC511. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bb6 5. a415353/5/42Evans Gambit, Compromised DefenseC521. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O dxc315256/3/41Scotch Gambit, Nakhmanson GambitC561. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. O-O Nxe4 6. Nc315152/5/43Evans Gambit, Anderssen DefenseC521. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O Nf6 7. d4 exd414941/0/59Evans Gambit, Anderssen Variation, Cordel LineC511. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Be7 6. d4 Na514643/3/54Two Knights Defense, Blackburne VariationC581. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 cxb514446/5/49Evans Gambit, Mieses DefenseC521. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 exd4 7. O-O Nge710560/3/37Evans Gambit, Harding VariationC511. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. cxd4 Bb4+ 8. Bd210458/3/39Evans Gambit, Tartakower AttackC521. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. d4 d6 7. Qb310049/0/51Giuoco Piano, Aitken VariationC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. O-O Nxc3 9. bxc3 Bxc3 10. Ba39964/3/33Two Knights Defense, Colman VariationC581. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 Rb89034/9/57Evans Gambit, McDonnell Defense, Main LineC511. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. O-O d6 8. cxd4 Bb68948/0/52Hungarian Defense, Tartakower VariationC501. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd4 5. c3 Nf6 6. e5 Ne48746/2/52Classical Variation, Giuoco PianissimoC541. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. O-O Nf6 5. d3 d6 6. c3 Bb68647/2/51Classical Variation, Center Holding VariationC531. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. d4 Bb68334/5/61Evans GambitC521. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Ba5 6. O-O d68144/2/54
Pirc DefenseB001. e4 d6102,60649/5/4619 lines ▾
Pirc DefenseB001. e4 d6 2. d465,45249/5/46Pirc DefenseB001. e4 d6 2. d4 Nf636,38949/5/46Pirc DefenseB071. e4 d6 2. d4 Nf6 3. Nc3 g617,59251/5/44Classical VariationB081. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg79,54549/5/46Classical VariationB081. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf37,27249/5/46Austrian AttackB091. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f43,16950/5/45Byrne VariationB071. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg52,83054/4/42Austrian AttackB091. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O1,55148/5/47Classical Variation, Schlechter VariationB081. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h31,15450/5/45Kholmov SystemB071. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc41,06248/4/48Roscher GambitB001. e4 d6 2. d4 Nf6 3. Nf383347/5/48Classical Variation, Quiet SystemB081. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be282348/7/45Austrian Attack, Weiss VariationB091. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Bd360746/6/48Austrian Attack, Unzicker AttackB091. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. e529151/7/42Austrian Attack, Dragon FormationB091. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 c526350/3/47Sveshnikov SystemB071. e4 d6 2. d4 Nf6 3. Nc3 g6 4. g316956/4/40Bayonet AttackB071. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. h412252/7/41150 AttackB071. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 c6 5. Qd211548/7/45Austrian Attack, Kurajica VariationB091. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 O-O 6. Be310739/9/52
Ruy LopezC601. e4 e5 2. Nf3 Nc6 3. Bb581,00550/7/4393 lines ▾
Morphy DefenseC701. e4 e5 2. Nf3 Nc6 3. Bb5 a625,31550/7/43Steinitz DefenseC621. e4 e5 2. Nf3 Nc6 3. Bb5 d616,87453/6/41Berlin DefenseC651. e4 e5 2. Nf3 Nc6 3. Bb5 Nf613,57948/13/39Classical VariationC641. e4 e5 2. Nf3 Nc6 3. Bb5 Bc510,84950/4/46Morphy DefenseC781. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O8,10149/8/43Berlin DefenseC651. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O6,53849/13/38Exchange VariationC681. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc66,46349/7/44Steinitz DefenseC621. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d45,51253/6/41Cozio DefenseC601. e4 e5 2. Nf3 Nc6 3. Bb5 Nge74,07249/5/46Berlin Defense, Anti-Berlin VariationC651. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d33,80244/19/37Bird VariationC611. e4 e5 2. Nf3 Nc6 3. Bb5 Nd43,43452/4/44ClosedC841. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be73,40848/8/44ClosedC881. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb33,40447/8/45Classical Variation, Central VariationC641. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5 4. c33,38852/4/44Morphy Defense, Caro VariationC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b53,07152/5/43Schliemann DefenseC631. e4 e5 2. Nf3 Nc6 3. Bb5 f53,00446/5/49Morphy Defense, Anderssen VariationC771. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d32,96750/5/45Exchange Variation, Normal VariationC691. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O2,55851/7/42Berlin Defense, Beverwijk VariationC651. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc52,53156/4/40Berlin Defense, Rio Gambit AcceptedC671. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe42,53138/27/35Berlin Defense, Improved Steinitz DefenseC661. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O d62,30254/5/41ClosedC881. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O2,18145/8/47Morphy Defense, Modern Steinitz DefenseC711. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d61,82250/6/44Morphy Defense, Neo-Arkhangelsk VariationC781. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bc51,30050/5/45Classical Variation, Zukertort GambitC651. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Bc5 5. c31,27056/3/41Morphy Defense, Classical Defense DeferredC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc51,05950/4/46ClosedC901. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O95748/10/42Marshall AttackC891. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d591842/9/49Morphy Defense, Modern Steinitz DefenseC721. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. O-O87050/4/46ClosedC921. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h383648/11/41Exchange Variation, King's Bishop VariationC691. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bd680054/7/39Morphy Defense, Graz VariationC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc579151/4/45OpenC801. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe479142/18/40Berlin Defense, l'Hermet VariationC671. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd674038/25/37Morphy Defense, Steinitz DeferredC791. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O d672349/6/45Morphy Defense, Modern Steinitz DefenseC741. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c370556/4/40Morphy Defense, Møller VariationC781. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Bc569554/5/41Schliemann Defense, Exchange VariationC631. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Bxc665844/5/51Morphy Defense, Tarrasch VariationC771. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc361649/6/45Exchange Variation, Keres VariationC681. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. Nc352451/8/41Schliemann Defense, Jaenisch Gambit AcceptedC631. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. exf550442/4/54Exchange Variation, Gligoric VariationC691. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O f649348/9/43Berlin Defense, l'Hermet Variation, Berlin Wall DefenseC671. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd849236/32/32Marshall Attack, Modern VariationC891. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c647140/10/50OpenC801. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d446144/24/32Schliemann Defense, Dyckhoff VariationC631. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc342050/5/45Closed, Chigorin DefenseC971. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na539346/10/44Closed, Chigorin DefenseC961. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc238747/10/43OpenC801. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb338044/26/30Closed, Chigorin DefenseC961. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c537547/10/43Exchange Variation, Lutikov VariationC681. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 bxc635954/5/41Fianchetto DefenseC601. e4 e5 2. Nf3 Nc6 3. Bb5 g635846/5/49Closed, Martinez VariationC841. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d335757/5/38Nürnberg VariationC601. e4 e5 2. Nf3 Nc6 3. Bb5 f635355/5/40Closed, Anti-MarshallC881. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. a433451/9/40OpenC801. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe531240/30/30Open, Main LineC801. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be630939/30/31Morphy Defense, Wormald AttackC771. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe230551/8/41Morphy Defense, Mackenzie VariationC771. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d430259/4/37Marshall Attack, Main LineC891. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d430240/7/53Exchange Variation, Alapin GambitC691. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Bg4 6. h3 h527947/6/47Morphy DefenseC781. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 d624549/6/45Vinogradov VariationC601. e4 e5 2. Nf3 Nc6 3. Bb5 Qe722658/2/40Closed, Averbakh VariationC871. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 d621859/5/36Schliemann Defense, Schönemann AttackC631. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. d421847/6/47Closed, Yates VariationC911. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d419951/5/44Lucena VariationC601. e4 e5 2. Nf3 Nc6 3. Bb5 Be719951/6/43Morphy Defense, Schliemann Defense DeferredC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 f518554/5/41Morphy Defense, Arkhangelsk VariationC781. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O b5 6. Bb3 Bb717747/8/45Morphy Defense, Norwegian VariationC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Na516652/2/46Morphy Defense, Modern Steinitz DefenseC751. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. c3 Bd715752/4/44OpenC821. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. c314636/32/32Morphy Defense, Cozio DefenseC701. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nge713752/7/41Closed, Chigorin DefenseC971. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Na5 10. Bc2 c5 11. d4 Qc713646/11/43Closed, Delayed ExchangeC851. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Bxc613554/6/40Morphy Defense, Jaffe GambitC771. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. c312650/6/44Closed, Breyer DefenseC941. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb812547/9/44Spanish CountergambitC601. e4 e5 2. Nf3 Nc6 3. Bb5 d512251/2/47Exchange, Alekhine VariationC681. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 Bd712140/13/47Morphy Defense, Bayreuth VariationC771. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Bxc612050/5/45Closed, BreyerC951. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d411149/9/42Schliemann Defense, Tartakower VariationC631. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Nf610454/5/41Berlin Defense, Anti-Berlin Variation, Mortimer VariationC651. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne710039/10/51Berlin Defense, Berlin WallC671. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Nc3 Bd79921/61/18Open, Bernstein VariationC801. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. d4 b5 7. Bb3 d5 8. dxe5 Be6 9. Nbd29839/34/27Closed, Bogoljubow VariationC911. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. d4 Bg49154/5/41Alapin DefenseC601. e4 e5 2. Nf3 Nc6 3. Bb5 Bb48845/2/53Cozio Defense, Paulsen VariationC601. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. Nc3 g68853/7/40Open Berlin Defense, l'Hermet VariationC671. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Nxe4 5. d4 Nd6 6. dxe58643/17/40Closed, Center AttackC841. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d48452/8/40Closed, Flohr SystemC921. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Bb78340/17/43Closed, Breyer Defense, Zaitsev HybridC951. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd78244/12/44Exchange Variation, Bronstein VariationC691. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. O-O Qd68254/9/37
Modern DefenseB061. e4 g671,77649/5/4619 lines ▾
Modern DefenseB061. e4 g6 2. d4 Bg741,17949/5/46Standard LineB061. e4 g6 2. d4 Bg7 3. Nc310,70651/4/45Standard DefenseB061. e4 g6 2. d4 Bg7 3. Nc3 d68,44651/5/44Two Knights VariationB061. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf36,37151/6/43Modern DefenseA411. d4 g6 2. c4 Bg7 3. Nc3 d66,35949/5/46Averbakh SystemA421. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e45,98549/5/46Three Pawns AttackB061. e4 g6 2. d4 Bg7 3. f44,44549/4/47Geller's SystemB071. e4 g6 2. d4 Bg7 3. Nf3 d6 4. c32,19446/5/49Mongredien Defense, with Nf3B061. e4 g6 2. d4 Bg7 3. Nf3 b61,55150/5/45Bishop AttackB061. e4 g6 2. d4 Bg7 3. Bc41,29051/4/45Pseudo-Austrian AttackB061. e4 g6 2. d4 Bg7 3. Nc3 d6 4. f41,26451/5/44Kotov VariationA421. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc61,10346/5/49Modern PterodactylB061. e4 g6 2. d4 Bg7 3. Nc3 c51,04146/5/49Norwegian DefenseB061. e4 g6 2. d4 Nf668050/6/44Two Knights Variation, Suttles VariationB061. e4 g6 2. d4 Bg7 3. Nc3 c6 4. Nf3 d658149/5/46Mongredien Defense, with Nc3B061. e4 g6 2. d4 Bg7 3. Nc3 b654259/4/37Lizard Defense, Mittenberger GambitB061. e4 g6 2. d4 Bg7 3. Nc3 d521750/7/43Wind GambitB061. e4 g6 2. d4 Bg7 3. Bd313245/5/50Beefeater VariationA401. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 Bxc3+ 5. bxc3 f511947/3/50
Philidor DefenseC411. e4 e5 2. Nf3 d671,49651/5/4419 lines ▾
Philidor DefenseC411. e4 e5 2. Nf3 d6 3. Bc431,36950/5/45Philidor DefenseC411. e4 e5 2. Nf3 d6 3. d428,06352/5/43Exchange VariationC411. e4 e5 2. Nf3 d6 3. d4 exd417,61052/5/43Exchange VariationC411. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd412,83052/5/43Philidor DefenseC411. e4 e5 2. Nf3 d6 3. Bc4 Be79,02748/5/47Exchange VariationC411. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 Nf64,87251/5/44Lion VariationC411. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd72,60445/6/49Hanham VariationC411. e4 e5 2. Nf3 d6 3. d4 Nd72,56848/5/47Morphy GambitC411. e4 e5 2. Nf3 d6 3. d4 exd4 4. Bc41,55453/5/42Steinitz VariationC411. e4 e5 2. Nf3 d6 3. Bc4 Be7 4. c31,45348/4/48Bird GambitC411. e4 e5 2. Nf3 d6 3. d4 exd4 4. c382655/5/40Lopez CountergambitC411. e4 e5 2. Nf3 d6 3. Bc4 f579249/3/48Nimzowitsch VariationC411. e4 e5 2. Nf3 d6 3. d4 Nf663852/6/42Philidor CountergambitC411. e4 e5 2. Nf3 d6 3. d4 f546952/3/45Nimzowitsch VariationC411. e4 e5 2. Nf3 d6 3. d4 Nf6 4. dxe543851/6/43Larsen VariationC411. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4 g643653/3/44Nimzowitsch Variation, Klein VariationC411. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Bc432952/5/43Philidor Countergambit, Zukertort VariationC411. e4 e5 2. Nf3 d6 3. d4 f5 4. Nc315954/3/43Albin-Blackburne GambitC411. e4 e5 2. Nf3 d6 3. d4 Bg4 4. dxe5 Nd712459/2/39
Scotch GameC441. e4 e5 2. Nf3 Nc6 3. d470,25952/5/4332 lines ▾
Scotch GameC441. e4 e5 2. Nf3 Nc6 3. d4 exd465,61951/5/44Scotch GameC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd437,48651/6/43Scotch GambitC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc419,27652/5/43Lolli VariationC441. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 4. Nxd4 exd4 5. Qxd411,31255/5/40Classical VariationC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc511,10850/5/45Scotch Gambit, Dubois Réti DefenseC441. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd49,13249/5/46Schmidt VariationC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf65,93746/7/47Göring GambitC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c35,71854/4/42Haxo GambitC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc55,56353/4/43Scotch Gambit, Advance VariationC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e54,43447/5/48Benima DefenseC441. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. d4 exd42,90352/5/43Göring Gambit, Double Pawn SacrificeC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Bc42,30656/3/41Scotch Gambit, London DefenseC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bb4+1,76953/4/43Potter VariationC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nb31,62952/4/44Classical Variation, Intermezzo VariationC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Nxc6 Qf61,49546/6/48Scotch Gambit, Sarratt VariationC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng51,11451/4/45Mieses VariationC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e51,06047/6/47Göring Gambit, Main LineC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Nxc3 Bb498157/3/40Steinitz VariationC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh491945/4/51Lolli VariationC441. e4 e5 2. Nf3 Nc6 3. d4 Nxd470857/5/38Scotch Gambit, Göring Gambit DeclinedC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 d568349/6/45Scotch Gambit, Kingside VariationC441. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. e5 Ng454352/5/43Malaniuk VariationC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bb4+47449/7/44Steinitz VariationC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc347250/3/47Modern DefenseC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qh4 5. Nc3 Bb442050/3/47Göring Gambit, Bardeleben VariationC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. c3 dxc3 5. Bc4 Nf6 6. Nxc3 Bb432656/6/38Relfsson GambitC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bb525753/4/43Blumenfeld AttackC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. Nb525758/5/37Scotch Gambit, Cochrane-Anderssen VariationC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. O-O d6 6. c3 Bg418038/4/58Paulsen AttackC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bb517048/7/45Ghulam-Kassim VariationC451. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Bd314953/3/44Vitzthum AttackC441. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. Ng5 Nh6 6. Qh510649/1/50
Bishop's OpeningC231. e4 e5 2. Bc469,25950/4/4618 lines ▾
Berlin DefenseC241. e4 e5 2. Bc4 Nf622,03750/4/46Boi VariationC231. e4 e5 2. Bc4 Bc58,21351/5/44Vienna HybridC241. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc35,99550/5/45Ponziani GambitC241. e4 e5 2. Bc4 Nf6 3. d42,53055/4/41Vienna Hybrid, Spielmann AttackC261. e4 e5 2. Nc3 Nf6 3. Bc4 Bc5 4. d32,23053/4/43Philidor CounterattackC231. e4 e5 2. Bc4 c61,98648/4/48Paulsen DefenseC241. e4 e5 2. Bc4 Nf6 3. d3 c61,38846/4/50Urusov GambitC431. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf31,17552/4/44Calabrese CountergambitC231. e4 e5 2. Bc4 f587849/3/48Lewis GambitC231. e4 e5 2. Bc4 Bc5 3. d453658/4/38Philidor VariationC231. e4 e5 2. Bc4 Bc5 3. c347751/4/45Khan GambitC231. e4 e5 2. Bc4 d544051/3/46Boden-Kieseritzky GambitC271. e4 e5 2. Nf3 Nf6 3. Bc4 Nxe4 4. Nc336852/4/44Vienna Hybrid, Hromádka VariationC281. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Bb4 5. Ne234851/7/42Calabrese Countergambit, Jaenisch VariationC231. e4 e5 2. Bc4 f5 3. d320048/5/47Urusov Gambit, Keidansky GambitC431. e4 e5 2. Bc4 Nf6 3. d4 exd4 4. Nf3 Nxe4 5. Qxd418862/3/35Berlin Defense, Greco GambitC241. e4 e5 2. Bc4 Nf6 3. f416743/2/55Stein GambitC231. e4 e5 2. Bc4 Bc5 3. f414142/2/56
King's GambitC301. e4 e5 2. f467,90150/4/46
Vienna GameC251. e4 e5 2. Nc355,61451/5/4417 lines ▾
Max Lange DefenseC251. e4 e5 2. Nc3 Nc624,48550/5/45Falkbeer VariationC261. e4 e5 2. Nc3 Nf619,68951/5/44Stanley VariationC261. e4 e5 2. Nc3 Nf6 3. Bc48,32851/5/44Stanley Variation, Three Knights VariationC281. e4 e5 2. Nc3 Nc6 3. Bc4 Nf68,12349/5/46Vienna GambitC291. e4 e5 2. Nc3 Nf6 3. f47,64653/4/43Anderssen DefenseC251. e4 e5 2. Nc3 Bc54,86850/4/46Vienna Gambit, Main LineC291. e4 e5 2. Nc3 Nf6 3. f4 d52,67347/6/47Paulsen VariationC251. e4 e5 2. Nc3 Nc6 3. g31,15254/6/40Vienna Gambit, Paulsen AttackC291. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf31,11147/6/47Omaha GambitC251. e4 e5 2. Nc3 d6 3. f41,04854/4/42Frankenstein-Dracula VariationC271. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe41,01647/5/48Stanley Variation, Reversed SpanishC261. e4 e5 2. Nc3 Nf6 3. Bc4 Bb41,00950/4/46Mieses VariationC261. e4 e5 2. Nc3 Nf6 3. g376250/6/44Stanley Variation, Meitner-Mieses GambitC251. e4 e5 2. Nc3 Nc6 3. Bc4 Bc5 4. Qg4 Qf6 5. Nd560171/2/27Mengarini VariationC261. e4 e5 2. Nc3 Nf6 3. a332548/6/46Vienna Gambit, Bardeleben VariationC291. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. Qf3 f523246/3/51Vienna Gambit, Modern VariationC291. e4 e5 2. Nc3 Nf6 3. f4 d5 4. fxe5 Nxe4 5. d317752/7/41
Petrov's DefenseC421. e4 e5 2. Nf3 Nf647,04848/5/4732 lines ▾
Three Knights GameC421. e4 e5 2. Nf3 Nf6 3. Nc321,67748/5/47Petrov's DefenseC421. e4 e5 2. Nf3 Nf6 3. Nxe515,29248/7/45Italian VariationC421. e4 e5 2. Nf3 Nf6 3. Bc410,99849/4/47Petrov's DefenseC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d66,23747/10/43Petrov's DefenseC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf35,38647/10/43Stafford GambitC421. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc65,30447/4/49Petrov's DefenseC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe45,27347/10/43Modern AttackC431. e4 e5 2. Nf3 Nf6 3. d44,66450/6/44Stafford Gambit AcceptedC421. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc64,37147/4/49Stafford Gambit AcceptedC421. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 Bc52,21046/4/50Classical AttackC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d42,11246/14/40Modern AttackC431. e4 e5 2. Nf3 Nf6 3. d4 exd41,94352/4/44Damiano VariationC421. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe41,54447/6/47Stafford Gambit AcceptedC421. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Nc3 Bc51,36943/4/53Cozio AttackC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe21,05348/9/43Nimzowitsch AttackC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc31,01349/8/43Modern Attack, Center VariationC431. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. Bd369251/8/41Classical Attack, Marshall VariationC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd668438/26/36Damiano Variation, Kholmov GambitC421. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. Qe2 Qe767542/7/51French AttackC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d357647/9/44Cochrane GambitC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf744547/3/50Classical Attack, Staunton VariationC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c635131/42/27Paulsen AttackC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nc427745/8/47Modern Attack, Symmetrical VariationC431. e4 e5 2. Nf3 Nf6 3. d4 d526552/6/42Classical Attack, Mason-Showalter VariationC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc625950/9/41Modern Attack, Center AttackC431. e4 e5 2. Nf3 Nf6 3. d4 exd4 4. e5 Ne4 5. Qxd421646/4/50Cochrane Gambit, Bishop Check LineC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. Bc4+18238/4/58Cochrane Gambit, Center VariationC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. d415257/4/39Millennium AttackC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Bd313446/7/47Classical Attack, Mason VariationC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O O-O12453/3/44Karklins-Martinovsky VariationC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nd311949/8/43Classical Attack, Jaenisch VariationC421. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c48852/9/39
Center GameC201. e4 e5 2. d446,73953/4/4312 lines ▾
Center GameC211. e4 e5 2. d4 exd4 3. Qxd48,48351/4/45Kieseritzky VariationC211. e4 e5 2. d4 exd4 3. Nf38,18552/4/44Normal VariationC221. e4 e5 2. d4 exd4 3. Qxd4 Nc67,19450/4/46Paulsen Attack VariationC221. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe33,64856/4/40Halasz-McDonnell GambitC211. e4 e5 2. d4 exd4 3. f41,90853/3/44Kieseritzky VariationC211. e4 e5 2. d4 exd4 3. Nf3 c51,51560/3/37von der Lasa GambitC211. e4 e5 2. d4 exd4 3. Bc41,50053/4/43Berger VariationC221. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qe3 Nf61,22350/5/45Kieseritzky VariationC211. e4 e5 2. d4 exd4 3. Nf3 c5 4. Bc497363/3/34Hall VariationC221. e4 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qc432750/5/45Ross GambitC211. e4 e5 2. d4 exd4 3. Bd330055/3/42Lanc-Arnold GambitC211. e4 e5 2. d4 exd4 3. Nf3 Bc5 4. c311159/4/37
Owen DefenseB001. e4 b642,95850/4/462 lines ▾
Smith GambitB001. e4 b6 2. d4 Bb7 3. Nf385845/5/50Guatemala DefenseB001. e4 b6 2. d4 Ba635452/6/42
Alekhine DefenseB021. e4 Nf641,60047/5/4836 lines ▾
Normal VariationB021. e4 Nf6 2. e5 Nd522,41747/5/48Alekhine DefenseB031. e4 Nf6 2. e5 Nd5 3. d49,82647/5/48Two Pawns AttackB021. e4 Nf6 2. e5 Nd5 3. c48,11747/5/48Alekhine DefenseB031. e4 Nf6 2. e5 Nd5 3. d4 d67,37846/6/48Scandinavian VariationB021. e4 Nf6 2. Nc3 d56,81444/6/50Exchange VariationB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd63,61846/6/48Alekhine DefenseB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c43,30545/5/50Four Pawns AttackB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f43,07645/5/50Maróczy VariationB021. e4 Nf6 2. d32,96847/5/48Modern VariationB041. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf32,21747/6/47Scandinavian Variation, Geschev GambitB021. e4 Nf6 2. Nc3 d5 3. exd5 c61,63348/5/47Two Pawns Attack, Lasker VariationB021. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c51,18749/6/45Sämisch AttackB021. e4 Nf6 2. e5 Nd5 3. Nc31,01249/6/45Modern Variation, Main LineB051. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg490348/6/46Four Pawns Attack, Main LineB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Nc6 7. Be365149/5/46Brooklyn VariationB021. e4 Nf6 2. e5 Ng864948/4/48Krejcik VariationB021. e4 Nf6 2. Bc451945/5/50Two Pawns Attack, Tate VariationB021. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. a451447/3/50Modern Variation, Larsen VariationB041. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 dxe550949/8/43O'Sullivan GambitB031. e4 Nf6 2. e5 Nd5 3. d4 b550445/4/51Modern Variation, Alburt VariationB041. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 g641944/6/50Mokele MbembeB021. e4 Nf6 2. e5 Ne440552/5/43Balogh VariationB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Bc440147/5/48Four Pawns Attack, Fianchetto VariationB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 g637447/5/48Four Pawns Attack, Trifunovic VariationB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 Bf533345/5/50Modern Variation, Larsen-Haakert VariationB041. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nc623150/5/45Hunt Variation, Lasker Simul GambitB021. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc318953/7/40Modern Variation, Schmid VariationB041. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Nb616852/4/44Mokele Mbembe, Vavra DefenseB021. e4 Nf6 2. e5 Ne4 3. d4 e614853/4/43The SquirrelB021. e4 Nf6 2. e5 Nd5 3. c4 Nf411255/4/41Krejcik Variation, Krejcik GambitB021. e4 Nf6 2. Bc4 Nxe4 3. Bxf7+11045/6/49Modern Variation, Alekhine GambitB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 Bg4 6. Be210937/11/52Steiner VariationB021. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. b310655/5/40Exchange Variation, Voronezh VariationB031. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Be3 Bg7 8. Rc1 O-O 9. b39749/12/39Spielmann GambitB021. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. e68767/2/31Modern Variation, Panov VariationB051. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. h38246/5/49
Center Game AcceptedC211. e4 e5 2. d4 exd435,40353/4/43
Nimzowitsch DefenseB001. e4 Nc633,50648/5/4726 lines ▾
Nimzowitsch DefenseB001. e4 Nc6 2. d413,43046/6/48Declined VariationB001. e4 Nc6 2. Nf313,41249/5/46Kennedy VariationB001. e4 Nc6 2. d4 e512,11448/3/49Kennedy Variation, Linksspringer VariationB001. e4 Nc6 2. d4 e5 3. d57,86345/3/52Scandinavian VariationB001. e4 Nc6 2. d4 d55,33845/9/46Scandinavian Variation, Exchange VariationB001. e4 Nc6 2. d4 d5 3. exd5 Qxd54,28747/5/48Scandinavian Variation, Advance VariationB001. e4 Nc6 2. d4 d5 3. e54,17745/9/46Williams VariationB001. e4 Nc6 2. Nf3 d61,89251/5/44Kennedy Variation, de Smet GambitB001. e4 Nc6 2. d4 e5 3. dxe5 d61,70948/5/47Mikenas VariationB001. e4 Nc6 2. d4 d61,40452/4/44Franco-Nimzowitsch VariationB001. e4 Nc6 2. Nf3 e61,31051/5/44Colorado CountergambitB001. e4 Nc6 2. Nf3 f593646/4/50Scandinavian Variation, Bogoljubow VariationB001. e4 Nc6 2. d4 d5 3. Nc3 dxe474547/5/48Scandinavian Variation, Bogoljubow VariationB001. e4 Nc6 2. d4 d5 3. Nc367550/5/45Kennedy Variation, Paulsen AttackB001. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nf356555/5/40Colorado Countergambit AcceptedB001. e4 Nc6 2. Nf3 f5 3. exf549948/4/48Pseudo-Spanish VariationB001. e4 Nc6 2. Bb548247/5/48French ConnectionB001. e4 Nc6 2. Nc3 e646251/4/45Kennedy Variation, Riemann DefenseB001. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Nc636854/2/44Kennedy Variation, Keres AttackB001. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nc329749/4/47Scandinavian Variation, Exchange Variation, Marshall GambitB001. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. Nc328742/7/51Kennedy Variation, Main LineB001. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. f4 Ng627754/3/43Scandinavian Variation, Bogoljubow Variation, Vehre VariationB001. e4 Nc6 2. d4 d5 3. Nc3 Nf613557/4/39Pirc ConnectionB001. e4 Nc6 2. Nc3 g610657/2/41Scandinavian Variation, Bogoljubow Variation, Nimzowitsch GambitB001. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d5 Ne510150/4/46El Columpio DefenseB001. e4 Nc6 2. Nf3 Nf6 3. e5 Ng49753/5/42
Three Knights OpeningC461. e4 e5 2. Nf3 Nc6 3. Nc332,39550/5/453 lines ▾
Three Knights OpeningC461. e4 e5 2. Nf3 Nc6 3. Nc3 Bb41,91350/5/45Winawer DefenseC461. e4 e5 2. Nf3 Nc6 3. Nc3 f581246/4/50Steinitz DefenseC461. e4 e5 2. Nf3 Nc6 3. Nc3 g624549/6/45
King's Gambit AcceptedC331. e4 e5 2. f4 exf428,06450/3/4746 lines ▾
King's Knight's GambitC341. e4 e5 2. f4 exf4 3. Nf325,45050/3/47MacLeod DefenseC341. e4 e5 2. f4 exf4 3. Nf3 Nc66,74254/3/43King's Knight's GambitC341. e4 e5 2. f4 exf4 3. Nf3 g56,15449/3/48Fischer DefenseC341. e4 e5 2. f4 exf4 3. Nf3 d65,24051/4/45Modern DefenseC361. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd53,97449/4/47King's Knight's GambitC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc43,48648/3/49Modern DefenseC361. e4 e5 2. f4 exf4 3. Nf3 d53,47349/4/47Cunningham DefenseC351. e4 e5 2. f4 exf4 3. Nf3 Be73,24648/3/49Bishop's GambitC331. e4 e5 2. f4 exf4 3. Bc41,92652/3/45Schallopp DefenseC341. e4 e5 2. f4 exf4 3. Nf3 Nf61,86551/4/45Abbazia DefenseC361. e4 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf61,55245/6/49King's Knight's GambitC391. e4 e5 2. f4 exf4 3. Nf3 g5 4. h41,43052/4/44Becker DefenseC341. e4 e5 2. f4 exf4 3. Nf3 h61,32847/4/49Bonsch-Osmolovsky VariationC341. e4 e5 2. f4 exf4 3. Nf3 Ne786745/4/51Kieseritzky GambitC391. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne579550/5/45Rosentreter GambitC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. d478445/2/53Traditional VariationC381. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg768640/5/55Bishop's Gambit, Maurian DefenseC331. e4 e5 2. f4 exf4 3. Bc4 Nc659251/3/46Muzio Gambit, Wild Muzio GambitC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O55257/3/40Blachly GambitC371. e4 e5 2. f4 exf4 3. Nf3 Nc6 4. Bc4 g553846/4/50Cunningham Defense, Bertin GambitC351. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g349054/3/43Salvio GambitC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne544543/2/55Villemson GambitC331. e4 e5 2. f4 exf4 3. d442546/3/51Allgaier GambitC391. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng536652/4/44Kieseritzky Gambit, Long WhipC391. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 h534853/3/44Hanstein GambitC381. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 Bg7 5. O-O31040/5/55Muzio Gambit, Sarratt DefenseC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. O-O gxf3 6. Qxf3 Qf628751/3/46Cunningham Defense, Bertin GambitC351. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Bh4+ 5. g3 fxg3 6. O-O gxh2+ 7. Kh127053/4/43Bishop's Gambit, Cozio DefenseC331. e4 e5 2. f4 exf4 3. Bc4 Nf625850/3/47Kieseritzky Gambit, Kolisch DefenseC391. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 d624046/6/48Bishop's Gambit, Anderssen DefenseC331. e4 e5 2. f4 exf4 3. Bc4 g523255/3/42Lolli GambitC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Bxf7+22852/3/45Kieseritzky Gambit, Cotter GambitC391. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ng5 h6 6. Nxf718852/4/44Sörensen GambitC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 g4 5. Ne515537/0/63Salvio Gambit, Silberschmidt DefenseC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nh614946/3/51Cunningham Defense, McCormick DefenseC351. e4 e5 2. f4 exf4 3. Nf3 Be7 4. Bc4 Nf614251/1/48Bishop's Gambit, Bogoljubow VariationC331. e4 e5 2. f4 exf4 3. Bc4 Nf6 4. Nc314052/2/46Fischer Defense, Spanish VariationC341. e4 e5 2. f4 exf4 3. Nf3 d6 4. d4 Nf6 5. Bd313451/4/45Quaade GambitC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. Nc313458/4/38Bishop's Gambit, Greco VariationC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Bc512260/2/38Ghulam-Kassim GambitC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. d410460/4/36Salvio Gambit, Anderssen CounterattackC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. Bc4 g4 5. Ne5 Qh4+ 6. Kf1 Nh6 7. d4 d610349/1/50Bishop's Gambit, First Jaenisch VariationC331. e4 e5 2. f4 exf4 3. Bc4 Qh4+ 4. Kf1 Nf69953/2/45Mason-Keres GambitC331. e4 e5 2. f4 exf4 3. Nc39649/2/49Kieseritzky Gambit, Berlin DefenseC391. e4 e5 2. f4 exf4 3. Nf3 g5 4. h4 g4 5. Ne5 Nf68342/7/51Rosentreter Gambit, Testa VariationC371. e4 e5 2. f4 exf4 3. Nf3 g5 4. d4 g4 5. Bxf48154/4/42
Four Knights GameC471. e4 e5 2. Nf3 Nc6 3. Nc3 Nf627,44149/6/4519 lines ▾
Italian VariationC471. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc314,61446/5/49Italian VariationC501. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf610,07547/5/48Scotch VariationC471. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d47,83451/7/42Spanish VariationC481. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb57,52449/7/44Scotch Variation AcceptedC471. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd46,51250/7/43Spanish Variation, Classical VariationC481. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bc52,06250/4/46Italian Variation, Noa GambitC471. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Bxf7+1,53242/4/54Gunsberg VariationC471. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a31,20250/6/44Spanish Variation, Double SpanishC491. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb41,15648/7/45Spanish Variation, Rubinstein VariationC481. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd41,09146/12/42Halloween GambitC471. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Nxe595752/3/45Scotch Variation Accepted, Main LineC471. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 bxc6 7. Bd3 d5 8. exd5 O-O 9. O-O41143/16/41Spanish Variation, Ranken VariationC481. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 a6 5. Bxc640755/6/39Glek SystemC471. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g337751/7/42Scotch Variation, Belgrade GambitC471. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nd529556/4/40Spanish Variation, Rubinstein Variation AcceptedC481. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Nd4 5. Nxd424047/7/46Scotch Variation, Schmid DefenseC471. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Nxe416839/10/51Spanish Variation, Double SpanishC491. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. O-O O-O 6. d312152/7/41Spanish Variation, Rubinstein Variation, Henneberger VariationC481. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. O-O11246/13/41
King's Gambit Declined: Queen's Knight DefenseC301. e4 e5 2. f4 Nc615,53751/4/4521 lines ▾
Falkbeer CountergambitC311. e4 e5 2. f4 d510,04248/4/48Falkbeer Countergambit AcceptedC311. e4 e5 2. f4 d5 3. exd56,40348/4/48Classical VariationC301. e4 e5 2. f4 Bc52,62849/4/47Falkbeer Countergambit, Staunton LineC311. e4 e5 2. f4 d5 3. exd5 e42,45749/3/48Falkbeer Countergambit, Modern TransferC311. e4 e5 2. f4 d5 3. exd5 exf42,18546/5/49Falkbeer Countergambit, Blackburne AttackC311. e4 e5 2. f4 d5 3. Nf32,14649/3/48Petrov's DefenseC301. e4 e5 2. f4 Nf61,56647/4/49Falkbeer Countergambit, Charousek GambitC311. e4 e5 2. f4 d5 3. exd5 e4 4. d380653/3/44Keene's DefenseC301. e4 e5 2. f4 Qh4+80650/3/47Keene's DefenseC301. e4 e5 2. f4 Qh4+ 3. g380350/3/47Keene DefenseC301. e4 e5 2. f4 Qh4+ 3. g3 Qe748147/4/49Mafia DefenseC301. e4 c5 2. f4 e547747/5/48Falkbeer Countergambit, Nimzowitsch-Marshall CountergambitC311. e4 e5 2. f4 d5 3. exd5 c647438/2/60Falkbeer Countergambit, Milner-Barry VariationC311. e4 e5 2. f4 d5 3. Nc346144/3/53Classical VariationC301. e4 e5 2. f4 Bc5 3. Nf3 d6 4. c346052/5/43Miles DefenseC301. e4 e5 2. f4 Nc6 3. Nf3 f542242/2/56Panteldakis CountergambitC301. e4 e5 2. f4 f532750/2/48Falkbeer Countergambit, Hinrichsen GambitC311. e4 e5 2. f4 d5 3. d426754/4/42Norwalde VariationC301. e4 e5 2. f4 Qf626558/6/36Falkbeer Countergambit, Charousek Gambit AcceptedC321. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe423653/2/45Classical, Soldatenkov VariationC301. e4 e5 2. f4 Bc5 3. Nf3 d6 4. fxe517747/5/48
Elephant GambitC401. e4 e5 2. Nf3 d515,22546/4/503 lines ▾
Paulsen CountergambitC401. e4 e5 2. Nf3 d5 3. exd5 e46,20445/4/51Maróczy GambitC401. e4 e5 2. Nf3 d5 3. exd5 Bd633750/3/47Wasp VariationC401. e4 e5 2. Nf3 d5 3. Nxe5 dxe4 4. Bc4 Qg59133/4/63
Danish GambitC211. e4 e5 2. d4 exd4 3. c314,78454/4/42
Ponziani OpeningC441. e4 e5 2. Nf3 Nc6 3. c313,30151/5/449 lines ▾
Jaenisch CounterattackC441. e4 e5 2. Nf3 Nc6 3. c3 Nf65,59451/5/44Neumann GambitC441. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. Bc41,56749/4/47Jaenisch CounterattackC441. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d31,50949/6/45Ponziani CountergambitC441. e4 e5 2. Nf3 Nc6 3. c3 f543345/3/52Jaenisch CounterattackC441. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d3 d537246/6/48Romanishin VariationC441. e4 e5 2. Nf3 Nc6 3. c3 Be717553/5/42Spanish VariationC441. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Bb514446/6/48Caro GambitC441. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Bd79437/2/61Steinitz VariationC441. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 f68839/9/52
Danish Gambit AcceptedC211. e4 e5 2. d4 exd4 3. c3 dxc39,90056/3/414 lines ▾
Copenhagen DefenseC211. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Bb4+1,14156/3/41Classical DefenseC211. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Nf648054/4/42Schlechter DefenseC211. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 d528943/7/50Chigorin DefenseC211. e4 e5 2. d4 exd4 3. c3 dxc3 4. Bc4 cxb2 5. Bxb2 Qe720360/3/37
Latvian GambitC401. e4 e5 2. Nf3 f55,70548/4/487 lines ▾
Mlotkowski VariationC401. e4 e5 2. Nf3 f5 3. Nc376049/3/48Mason CountergambitC401. e4 e5 2. Nf3 f5 3. d464347/3/50Mayet AttackC401. e4 e5 2. Nf3 f5 3. Bc438451/3/46Fraser DefenseC401. e4 e5 2. Nf3 f5 3. Nxe5 Nc615640/4/56Mayet Attack, Morgado DefenseC401. e4 e5 2. Nf3 f5 3. Bc4 Nf612358/2/40Greco VariationC401. e4 e5 2. Nf3 f5 3. Nxe5 Qe710550/1/49Clam GambitC441. e4 e5 2. Nf3 Nc6 3. d3 f5 4. exf58652/5/43
St. George DefenseB001. e4 a65,37448/5/471 line ▾
Polish VariationB001. e4 a6 2. d4 b5 3. Nf3 Bb7 4. Bd3 e626549/4/47
Czech DefenseB071. e4 d6 2. d4 Nf6 3. Nc3 c64,76149/4/47 Duras GambitB001. e4 f53,93251/4/45
Vienna Gambit, with Max Lange DefenseC251. e4 e5 2. Nc3 Nc6 3. f43,55552/4/444 lines ▾
Knight VariationC251. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf31,32849/4/47Steinitz GambitC251. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. d411545/6/49Pierce GambitC251. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 g5 5. d410138/2/60Cunningham DefenseC251. e4 e5 2. Nc3 Nc6 3. f4 exf4 4. Nf3 Be79038/6/56
Lion DefenseB071. e4 d6 2. d4 Nf6 3. Nc3 Nbd73,15746/4/503 lines ▾
Lion's JawB001. e4 d6 2. d4 Nf6 3. f31,30450/5/45Anti-PhilidorB071. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f465547/5/48Anti-Philidor, Lion's CaveB071. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. f4 e547145/5/50
Borg DefenseB001. e4 g51,90752/2/462 lines ▾
Borg GambitA401. d4 g534552/6/42Borg GambitB001. e4 g5 2. d4 Bg734351/2/47
Latvian Gambit AcceptedC401. e4 e5 2. Nf3 f5 3. exf51,52446/4/503 lines ▾
Main LineC401. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d461348/4/48Bilguer VariationC401. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc438149/4/47Bronstein AttackC401. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Be28743/2/55
Danish Gambit Declined: Sörensen DefenseC211. e4 e5 2. d4 exd4 3. c3 d51,43250/5/45 Ware DefenseB001. e4 a51,37054/5/41 Carr DefenseB001. e4 h61,29850/5/45 Barnes DefenseB001. e4 f61,21552/3/45 Goldsmith DefenseB001. e4 h51,17650/4/46 King's Pawn OpeningC201. e4 e5 2. b31,05345/5/50 Gunderam DefenseC401. e4 e5 2. Nf3 Qe788049/4/47 Portuguese OpeningC201. e4 e5 2. Bb554750/3/47
Pterodactyl Defense: Western, RhamphorhynchusB271. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+35249/3/484 lines ▾
Eastern, AnhangueraB061. e4 g6 2. d4 Bg7 3. Nc3 c5 4. Be330846/5/49Eastern, BenoniB061. d4 g6 2. e4 Bg7 3. Nc3 c5 4. d529048/5/47Queen Pterodactyl, Quiet LineA401. d4 g6 2. c4 Bg7 3. Nc3 c5 4. e327743/4/53Sicilian, RhamphorhynchusB271. e4 c5 2. Nf3 g6 3. d4 Bg7 4. dxc5 Qa5+ 5. Nc310454/4/42
Lemming DefenseB001. e4 Na621249/9/42 Fried Fox DefenseB001. e4 f6 2. d4 Kf719150/6/44 Irish GambitC441. e4 e5 2. Nf3 Nc6 3. Nxe516246/8/46 Hippopotamus DefenseB001. e4 Nh614345/3/52

1. d458 families · 568 openings

Queen's Pawn GameA401. d41,102,14650/5/4552 lines ▾
Queen's Pawn GameD001. d4 d5432,45951/6/43Zukertort VariationD021. d4 d5 2. Nf397,95151/6/43Accelerated London SystemD001. d4 d5 2. Bf475,49150/5/45Symmetrical VariationD021. d4 d5 2. Nf3 Nf650,73750/7/43Modern DefenseA401. d4 g647,11650/5/45Queen's Pawn GameA411. d4 d640,00448/5/47Queen's Pawn GameD001. d4 d5 2. e334,85750/5/45Chigorin VariationD001. d4 d5 2. Nc331,10650/5/45Chigorin VariationA451. d4 Nf6 2. Nc3 d523,82850/5/45London SystemD021. d4 d5 2. Nf3 Nf6 3. Bf419,56550/6/44Chigorin VariationD021. d4 d5 2. Nf3 Nc616,55652/5/43Colle SystemD041. d4 d5 2. Nf3 Nf6 3. e315,63949/6/45Queen's Pawn GameD001. d4 d5 2. e3 Nf615,20050/6/44London System, with e6D021. d4 d5 2. Nf3 e6 3. Bf412,60250/6/44London System, with e6D021. d4 d5 2. Nf3 e6 3. Bf4 Nf612,18650/6/44Colle SystemD051. d4 d5 2. Nf3 Nf6 3. e3 e610,13950/6/44Chigorin VariationD001. d4 d5 2. Nc3 e69,45550/5/45Levitsky AttackD001. d4 d5 2. Bg59,10451/5/44Krause VariationD021. d4 d5 2. Nf3 c56,37949/5/46Accelerated London System, Steinitz CountergambitD001. d4 d5 2. Bf4 c56,14047/5/48Colle SystemD051. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd35,81651/6/43Symmetrical Variation, Pseudo-CatalanD021. d4 d5 2. Nf3 Nf6 3. g35,44450/7/43Mason AttackD001. d4 d5 2. f45,27250/5/45Torre AttackD031. d4 d5 2. Nf3 Nf6 3. Bg54,77851/6/43Stonewall AttackD001. d4 d5 2. e3 Nf6 3. Bd34,72051/5/44Anti-TorreD021. Nf3 d5 2. d4 Bg44,32452/5/43London SystemD021. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e33,82846/8/46Anglo-Slav OpeningA401. d4 c6 2. c4 d63,50848/5/47Colle System, Anti-ColleD041. d4 d5 2. Nf3 Nf6 3. e3 Bf53,44949/6/45Hübsch GambitD001. d4 Nf6 2. Nc3 d5 3. e43,32152/4/44Chigorin Variation, Alburt DefenseD001. d4 d5 2. Nc3 Bf52,72450/5/45Rossolimo VariationA411. d4 d6 2. Nf3 g61,88750/7/43Veresov Attack, Classical DefenseA461. d4 Nf6 2. Nf3 e6 3. Nc3 d5 4. Bg51,22850/6/44Chigorin Variation, Irish GambitD001. d4 d5 2. Nc3 c51,12944/5/51Colle System, Traditional ColleD051. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. c394852/6/42London SystemD021. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd2 e6 6. c380854/5/41Torre Attack, Gossip VariationD031. d4 d5 2. Nf3 Nf6 3. Bg5 Ne473547/6/47Veresov, Richter AttackA451. d4 Nf6 2. f3 d5 3. Nc373450/4/46Barry AttackA481. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf446643/6/51Colle System, Grünfeld FormationD041. d4 d5 2. Nf3 Nf6 3. e3 g6 4. Bd3 Bg745849/6/45Symmetrical Variation, Pseudo-CatalanD021. d4 d5 2. Nf3 Nf6 3. g3 c6 4. Bg2 Bg441952/5/43London SystemD021. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Nc6 5. Nbd239547/8/45Barry AttackA481. d4 Nf6 2. Nf3 g6 3. Nc3 d5 4. Bf4 Bg737841/6/53Accelerated London System, Steinitz Countergambit AcceptedD001. d4 d5 2. Bf4 c5 3. dxc535940/5/55Veresov Attack, Dutch SystemA801. d4 f5 2. Nc3 d534049/6/45Colle SystemD051. d4 d5 2. Nf3 Nf6 3. e3 e6 4. b3 c5 5. Bb2 Nc6 6. Bd326152/2/46Chigorin Variation, Shaviliuk GambitD001. d4 d5 2. Nc3 e523049/3/48Colle SystemD051. d4 d5 2. Nf3 Nf6 3. e3 e6 4. b320542/7/51Chigorin Variation, Anti-VeresovD001. d4 d5 2. Nc3 Bg418546/5/49Torre Attack, Grünfeld VariationD031. d4 d5 2. Nf3 Nf6 3. Bg5 g613256/5/39Liedmann GambitA431. d4 c5 2. c4 cxd4 3. e311744/8/48Torre Attack, Grünfeld Variation, Main LineA481. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 d5 5. e3 O-O9246/9/45
Indian DefenseA451. d4 Nf6283,15749/6/4534 lines ▾
Normal VariationA501. d4 Nf6 2. c4127,02948/6/46Knights VariationA461. d4 Nf6 2. Nf363,28649/7/44Accelerated London SystemA451. d4 Nf6 2. Bf440,12448/5/47West Indian DefenseE601. d4 Nf6 2. c4 g639,00548/6/46Anti-Nimzo-IndianE101. d4 Nf6 2. c4 e6 3. Nf316,47048/8/44Budapest GambitA511. d4 Nf6 2. c4 e59,60748/5/47Wade-Tartakower DefenseA461. d4 Nf6 2. Nf3 d68,40649/6/45Budapest Gambit AcceptedA511. d4 Nf6 2. c4 e5 3. dxe56,02549/6/45London SystemA461. d4 Nf6 2. Nf3 e6 3. Bf45,66648/6/46Spielmann-IndianA461. d4 Nf6 2. Nf3 c55,49948/6/46Budapest Gambit Accepted, Main LineA521. d4 Nf6 2. c4 e5 3. dxe5 Ng45,20650/6/44Budapest Gambit Accepted, Main Line, Adler VariationA521. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf32,74247/6/47Przepiorka VariationA491. d4 Nf6 2. Nf3 g6 3. g32,70649/7/44Tartakower AttackA451. d4 Nf6 2. g31,83648/6/46Reversed Chigorin DefenseA451. d4 Nf6 2. Nc3 c51,50948/5/47Omega GambitA451. d4 Nf6 2. e41,18446/4/50Budapest Gambit Accepted, Main Line, Rubinstein VariationA521. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf41,03953/7/40Czech-IndianA461. d4 Nf6 2. Nf3 c699152/7/41Seirawan AttackE001. d4 Nf6 2. c4 e6 3. Bg588351/5/44Budapest Gambit Accepted, Fajarowicz DefenseA511. d4 Nf6 2. c4 e5 3. dxe5 Ne478043/6/51Colle System, King's Indian VariationA481. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d677645/6/49Pawn Push VariationA451. d4 Nf6 2. d558846/4/50Paleface Attack, Blackmar-Diemer Gambit DeferredA451. d4 Nf6 2. f3 d5 3. e458053/5/42Anti-Grünfeld, Alekhine VariationE601. d4 Nf6 2. c4 g6 3. f354051/5/44Budapest Gambit Accepted, Main Line, Alekhine VariationA521. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e448148/7/45Budapest Gambit Accepted, Main Line, Alekhine Variation, Abonyi VariationA521. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. e4 Nxe538549/7/44Pseudo-BenkoA431. d4 Nf6 2. Nf3 c5 3. d5 b534453/6/41Gibbins-Weidenhagen GambitA451. d4 Nf6 2. g421845/5/50Maddigan GambitA451. d4 Nf6 2. Nc3 e517755/2/43Anti-Grünfeld, Basman-Williams AttackE601. d4 Nf6 2. c4 g6 3. h415756/8/36Gibbins-Weidenhagen Gambit AcceptedA451. d4 Nf6 2. g4 Nxg414246/6/48Anti-Grünfeld, Advance VariationE601. d4 Nf6 2. c4 g6 3. d513448/2/50Budapest Gambit Accepted, Fajarowicz Defense, Bonsdorf VariationA511. d4 Nf6 2. c4 e5 3. dxe5 Ne4 4. a313350/7/43Polish VariationA461. d4 Nf6 2. Nf3 b511539/9/52
Queen's GambitD061. d4 d5 2. c4177,09651/6/43 Horwitz DefenseA401. d4 e698,11150/5/45
Queen's Gambit DeclinedD301. d4 d5 2. c4 e674,80650/6/4477 lines ▾
Queen's Knight VariationD311. d4 d5 2. c4 e6 3. Nc346,76750/6/44Normal DefenseD351. d4 d5 2. c4 e6 3. Nc3 Nf643,89550/6/44Marshall DefenseD061. d4 d5 2. c4 Nf629,29554/5/41Three Knights VariationD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc323,93549/7/44Modern VariationD501. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg513,66550/6/44Exchange VariationD351. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd59,53250/7/43Queen's Gambit DeclinedD531. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be78,80749/7/44Albin CountergambitD081. d4 d5 2. c4 e57,50750/5/45Exchange Variation, Positional VariationD351. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg56,83051/7/42Baltic DefenseD061. d4 d5 2. c4 Bf56,20553/4/43Ragozin DefenseD381. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb45,79152/7/41Queen's Gambit DeclinedD531. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf35,61849/7/44Chigorin DefenseD071. d4 d5 2. c4 Nc65,12252/5/43Modern Variation, Normal LineD551. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e34,01548/7/45Austrian DefenseD061. d4 d5 2. c4 c53,42450/6/44Albin Countergambit, Normal LineD081. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf32,79050/6/44Semi-Tarrasch DefenseD401. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c52,58747/7/46Traditional VariationD301. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg52,49849/7/44Harrwitz AttackD351. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf42,46051/5/44Exchange Variation, Positional VariationD351. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c62,29449/8/43Harrwitz AttackD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf42,29349/8/43Chigorin DefenseD071. d4 d5 2. c4 Nc6 3. Nc32,13252/5/43Tarrasch Defense, Pseudo-TarraschD301. d4 d5 2. c4 e6 3. Nf3 c51,88152/6/42Baltic Defense, Pseudo-SlavD021. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c61,83051/6/43Chigorin DefenseD071. d4 d5 2. c4 Nc6 3. Nc3 dxc41,75755/5/40Three Knights, Vienna VariationD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc41,57251/6/43Queen's Gambit DeclinedD521. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e31,30249/7/44Three Knights VariationD371. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. e3 O-O1,22446/7/47Chigorin Defense, Exchange VariationD071. d4 d5 2. c4 Nc6 3. cxd5 Qxd51,14951/6/43Janowski VariationD311. d4 d5 2. c4 e6 3. Nc3 a61,12449/7/44Neo-Orthodox VariationD551. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 h61,02848/7/45Tarrasch DefenseD321. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd599447/6/47Chigorin Defense, Main LineD071. d4 d5 2. c4 Nc6 3. Nf3 Bg497150/7/43Neo-Orthodox Variation, Main LineD551. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e396848/8/44Modern Variation, Knight DefenseD511. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd795846/7/47Charousek VariationD311. d4 d5 2. c4 e6 3. Nc3 Be788046/8/46Chigorin Defense, Janowski VariationD071. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf385957/3/40Barmen VariationD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Nbd785648/6/46Semi-Tarrasch DefenseD411. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd579144/10/46Orthodox DefenseD601. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd759350/6/44Semi-Tarrasch Defense, Pillsbury VariationD401. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. Bg555749/5/46Modern Variation, Knight DefenseD511. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c654348/8/44Albin Countergambit, Fianchetto VariationD091. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g348255/8/37Modern Variation, Knight DefenseD511. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e347548/7/45Modern Variation, Heral VariationD531. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Bxf646948/5/47Austrian Attack, Salvio CountergambitD061. d4 d5 2. c4 c5 3. dxc5 d439943/5/52Ragozin Defense, Alekhine VariationD381. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Qa4+39345/16/39Cambridge Springs DefenseD521. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa537347/9/44Semi-Tarrasch Defense, Exchange VariationD411. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc336649/10/41Exchange Variation, Reshevsky VariationD361. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. e3 O-O 8. Bd333853/9/38Albin Countergambit, Tartakower DefenseD081. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 c533154/5/41Albin Countergambit, Modern LineD081. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. Nbd230151/8/41Exchange Variation, Reshevsky VariationD361. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 c6 6. Qc229846/9/45Been-Koomen VariationD501. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c528745/6/49Marshall Defense, Tan GambitD061. d4 d5 2. c4 Nf6 3. cxd5 c626053/9/38Tartakower DefenseD581. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 h6 6. Bh4 O-O 7. e3 b623143/8/49Albin Countergambit, Lasker TrapD081. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Bb4+ 5. Bd2 dxe322938/4/58Baltic Defense, Queen AttackD061. d4 d5 2. c4 Bf5 3. Qb319753/2/45Baltic Defense, Queen Attack DeferredD061. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Qb319051/4/45Harrwitz Attack, Fianchetto DefenseD371. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bf4 O-O 6. e3 b618743/13/44Orthodox Defense, Botvinnik VariationD601. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 O-O 6. e3 Nbd7 7. Bd3 c616851/5/44Albin Countergambit, Fianchetto Variation, Bg4 LineD091. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Bg416562/7/31Chigorin Defense, Modern GambitD071. d4 d5 2. c4 Nc6 3. Nc3 dxc4 4. Nf3 Nf616160/2/38Alapin VariationD311. d4 e6 2. c4 b6 3. Nc3 d516152/5/43Queen's Gambit DeclinedD531. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 dxc4 5. Bg5 Be715253/8/39Chigorin Defense, Tartakower GambitD071. d4 d5 2. c4 Nc6 3. Nc3 e515146/3/51Semi-Tarrasch Defense, Exchange VariationD411. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e415043/13/44Albin Countergambit, Spassky VariationD081. d4 d5 2. c4 e5 3. dxe5 d4 4. e413852/6/42Harrwitz Attack, Two Knights DefenseD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 O-O 6. e3 Nbd712938/16/46Austrian Defense, Gusev CountergambitD061. d4 d5 2. c4 c5 3. cxd5 Nf610440/17/43Vienna Variation, Quiet VariationD371. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 dxc4 5. e39949/8/43Cambridge Springs Defense, Capablanca VariationD521. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 c6 6. Nf3 Qa5 7. Bxf69551/6/43Albin Countergambit, Fianchetto Variation, Be6 LineD091. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Be69245/10/45Vienna VariationD301. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Bb4+9247/7/46Baltic Defense, Pseudo-ChigorinD061. d4 d5 2. c4 Bf5 3. Nc3 e6 4. Nf3 Nc68747/7/46Pseudo-Tarrasch VariationD501. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. cxd58652/7/41Chigorin Defense, Lazard GambitD071. d4 d5 2. c4 Nc6 3. Nf3 e58645/10/45
Slav DefenseD101. d4 d5 2. c4 c658,37451/6/4328 lines ▾
Slav DefenseD101. d4 d5 2. c4 c6 3. Nc331,77751/5/44Three Knights VariationD151. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc317,83351/6/43Modern LineD111. d4 d5 2. c4 c6 3. Nf316,79652/6/42Exchange VariationD101. d4 d5 2. c4 c6 3. cxd58,14251/6/43Quiet VariationD111. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e33,49148/8/44Slav DefenseD101. d4 d5 2. c4 c6 3. Nc3 dxc43,21753/4/43Two Knights AttackD151. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc42,31449/6/45Exchange VariationD131. d4 d5 2. c4 c6 3. Nf3 Nf6 4. cxd5 cxd51,66849/8/43Alapin VariationD161. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a41,16947/7/46Schlechter VariationD151. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g61,15854/7/39Quiet Variation, Schallopp DefenseD121. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf5 5. Nc3 e61,06746/7/47Slav Gambit, Alekhine AttackD101. d4 d5 2. c4 c6 3. Nc3 dxc4 4. e41,04949/4/47Quiet Variation, Pin DefenseD111. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg496546/8/46Chebanenko VariationD151. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 a690248/7/45Quiet Variation, Schallopp DefenseD121. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bf579546/8/46Czech VariationD171. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf575447/7/46Diemer GambitD101. d4 d5 2. c4 c6 3. e463547/4/49Geller GambitD151. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e446252/4/44Czech Variation, Classical SystemD181. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e339147/7/46Bonet GambitD111. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bg532648/6/46Winawer CountergambitD101. d4 d5 2. c4 c6 3. Nc3 e524246/1/53Czech Variation, Dutch VariationD191. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Bb4 8. O-O23345/8/47Exchange Variation, Boor AttackD101. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. f318356/2/42Czech Variation, Krause AttackD171. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. Ne515748/8/44Exchange Variation, Symmetrical LineD141. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Nc6 6. Bf4 Bf514949/7/44Geller GambitD151. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e4 b5 6. e513154/3/43Alekhine VariationD151. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e312452/3/45Breyer VariationD111. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nbd212055/8/37
Englund GambitA401. d4 e552,86449/4/477 lines ▾
Hartlaub-Charlick GambitA401. d4 e5 2. dxe5 d612,16650/4/46Main LineA401. d4 e5 2. dxe5 Nc6 3. Nf3 Qe77,89849/4/47Soller GambitA401. d4 e5 2. dxe5 f62,29251/4/45Felbecker GambitA401. d4 e5 2. dxe5 Nc6 3. Nf3 Bc51,18350/4/46Stockholm VariationA401. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7 4. Qd595048/7/45Soller Gambit DeferredA401. d4 e5 2. dxe5 Nc6 3. Nf3 f655147/4/49Zilbermints GambitA401. d4 e5 2. dxe5 Nc6 3. Nf3 Nge748849/6/45
Benoni Defense: Old BenoniA431. d4 c544,34648/5/4728 lines ▾
Old BenoniA431. d4 c5 2. d517,80349/4/47Benoni DefenseA561. d4 Nf6 2. c4 c514,59845/6/49Old BenoniA431. d4 c5 2. d5 d66,94848/5/47Benoni Gambit AcceptedA431. d4 c5 2. dxc56,73946/5/49French BenoniA431. e4 e6 2. d4 c5 3. d54,05353/4/43Modern VariationA601. d4 Nf6 2. c4 c5 3. d5 e63,49350/4/46Benoni-Indian DefenseA431. d4 c5 2. d5 Nf63,12748/4/48King's Pawn LineA651. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e42,80549/5/46Hromádka SystemA561. d4 Nf6 2. c4 c5 3. d5 d62,34548/5/47Old BenoniA441. d4 c5 2. d5 e52,33847/5/48Benoni-Indian Defense, Kingside Move OrderA431. d4 c5 2. d5 Nf6 3. Nf31,45049/5/46Benoni DefenseA611. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g667454/5/41Czech Benoni DefenseA561. d4 Nf6 2. c4 c5 3. d5 e563744/5/51Classical VariationA701. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e454448/6/46Semi-BenoniA441. d4 c5 2. d5 e5 3. e4 d653751/4/45Pawn Storm VariationA661. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f442452/4/44Fianchetto VariationA621. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 O-O18556/3/41Taimanov VariationA671. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+18157/4/39Old Benoni, Mujannah FormationA431. d4 c5 2. d5 f516944/8/48Weenink VariationA561. d4 Nf6 2. c4 c5 3. dxc5 e614949/8/43Old Benoni, Schmid VariationA431. d4 c5 2. d5 d6 3. Nc3 g613651/6/43Classical Variation, New York VariationA701. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. h312646/10/44Benoni Gambit, Schlenker DefenseA431. d4 c5 2. dxc5 Na610839/3/58Knight's Tour VariationA611. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Nd29456/3/41Fianchetto VariationA611. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. g39359/3/38Classical Variation, Traditional VariationA701. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. e4 Bg7 8. Be29057/6/37Four Pawns AttackA681. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O8841/5/54Cormorant GambitA431. d4 c5 2. dxc5 b68549/4/47
King's Indian DefenseE611. d4 Nf6 2. c4 g6 3. Nc332,39748/6/4649 lines ▾
Normal VariationE701. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d620,61750/5/45Normal VariationE701. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e417,63650/5/45Normal Variation, King's Knight VariationE601. d4 Nf6 2. Nf3 g6 3. c49,88848/6/46Normal Variation, Rare DefensesE901. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf39,38648/6/46Orthodox VariationE911. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be25,67450/7/43Sämisch VariationE801. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f33,66551/5/44Sämisch Variation, Normal DefenseE811. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O3,33751/5/44Four Pawns AttackE761. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f43,20450/5/45Normal Variation, Standard DevelopmentE731. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be22,71852/6/42Fianchetto VariationE601. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g32,06248/7/45Makogonov VariationE711. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h32,03748/6/46Orthodox VariationE921. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e51,98349/7/44Smyslov VariationE611. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg51,59649/6/45Fianchetto Variation, Immediate FianchettoE601. d4 Nf6 2. c4 g6 3. g31,17549/6/45Orthodox VariationE941. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O89049/7/44Four Pawns Attack, Dynamic AttackE761. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d575948/7/45Orthodox Variation, Aronin-Taimanov DefenseE971. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc671151/6/43Accelerated Averbakh VariationE701. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg568454/4/42Fianchetto Variation, Delayed FianchettoE621. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g364051/5/44Semi-Averbakh SystemE731. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Be355152/5/43Sämisch Variation, Orthodox VariationE851. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e550656/5/39Karpov SystemE711. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 O-O 6. Be348953/5/42Averbakh VariationE731. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg542650/5/45Orthodox Variation, Positional DefenseE941. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf3 g6 6. Be2 Bg7 7. O-O O-O38350/8/42Petrosian VariationE921. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d537547/5/48Sämisch Variation, Yates DefenseE831. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 Nc631849/6/45Sämisch Variation, Sämisch GambitE811. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 c531048/5/47Fianchetto Variation, Debrecen DefenseE671. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nbd725746/6/48Sämisch Variation, Closed VariationE871. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. d524959/4/37Fianchetto Variation, Classical FianchettoE671. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e524945/7/48Semi-Classical VariationE611. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. e3 d6 6. Be224444/9/47Fianchetto Variation, Carlsbad VariationE621. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. Nc3 d6 6. Nf3 Nc622548/6/46Kazakh VariationE911. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Na621646/6/48Zinnowitz VariationE901. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Bg521551/4/45Four Pawns Attack, Normal AttackE771. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 O-O 6. Nf3 c5 7. d5 e6 8. Be220549/9/42Exchange VariationE921. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. dxe519255/9/36Kramer VariationE701. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge219254/6/40Orthodox Variation, Classical SystemE981. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne116451/6/43Averbakh Variation, Flexible DefenseE731. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 h614546/4/50Fianchetto Variation, Yugoslav SystemE641. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 O-O 6. O-O c514252/7/41Petrosian Variation, Stein DefenseE921. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. d5 a514049/5/46Orthodox Variation, Bayonet AttackE971. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b412048/6/46Orthodox Variation, Gligoric-Taimanov SystemE921. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be311542/12/46Steiner AttackE811. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Bg511052/10/38Four Pawns AttackE771. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. f410949/8/43Orthodox Variation, Positional Defense, Closed LineE941. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 Nbd7 7. O-O e5 8. d510747/8/45Larsen VariationE901. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be39545/1/54Fianchetto Variation, Uhlmann-Szabo SystemE621. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nc6 7. Nc3 e59042/7/51Sämisch Variation, Bobotsov-Korchnoi-Petrosian VariationE811. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Nge28340/8/52
Queen's Gambit AcceptedD201. d4 d5 2. c4 dxc430,27153/5/4225 lines ▾
Old VariationD201. d4 d5 2. c4 dxc4 3. e37,19453/6/41Saduleto VariationD201. d4 d5 2. c4 dxc4 3. e46,87853/5/42Normal VariationD211. d4 d5 2. c4 dxc4 3. Nf33,93953/7/40Queen's Gambit AcceptedD231. d4 d5 2. c4 dxc4 3. Nf3 Nf63,02951/8/41Rosenthal VariationD211. d4 d5 2. c4 dxc4 3. Nf3 e61,70451/7/42Central Variation, McDonnell DefenseD201. d4 d5 2. c4 dxc4 3. e4 e51,69348/6/46Showalter VariationD241. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc31,68254/5/41Normal VariationD251. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e31,41650/10/40Central Variation, Greco VariationD201. d4 d5 2. c4 dxc4 3. e4 b51,14851/6/43Central Variation, Alekhine SystemD201. d4 d5 2. c4 dxc4 3. e4 Nf688955/4/41Normal Variation, Traditional SystemD261. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e681450/9/41Central Variation, Modern DefenseD201. d4 d5 2. c4 dxc4 3. e4 Nc671754/5/41Gunsberg DefenseD211. d4 d5 2. c4 dxc4 3. Nf3 c551656/5/39Queen's Gambit AcceptedD241. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 dxc4 5. e443652/6/42Accelerated Mannheim VariationD201. d4 d5 2. c4 dxc4 3. Qa4+39053/4/43Classical DefenseD261. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c537046/12/42Central Variation, Rubinstein DefenseD201. d4 d5 2. c4 dxc4 3. e4 c528157/2/41Classical Defense, Normal LineD261. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O28144/12/44Janowski-Larsen VariationD251. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg425548/7/45Alekhine DefenseD221. d4 d5 2. c4 dxc4 3. Nf3 a624342/10/48Queen's Gambit AcceptedD241. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 dxc4 5. Bg524252/7/41Slav GambitD211. d4 d5 2. c4 dxc4 3. Nf3 b523361/4/35Classical Defense, Main LineD271. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 c5 6. O-O a621045/14/41Normal Variation, Traditional SystemD261. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 Be7 6. O-O O-O14246/8/46Central Variation, McDonnell Defense, Somov GambitD201. d4 d5 2. c4 dxc4 3. e4 e5 4. Bxc410047/6/47
Dutch DefenseA801. d4 f527,85249/5/4627 lines ▾
Dutch DefenseA841. d4 f5 2. c49,45248/5/47Normal VariationA841. d4 f5 2. c4 Nf66,99248/5/47Queen's Knight VariationA851. d4 f5 2. c4 Nf6 3. Nc35,29948/5/47Classical VariationA841. d4 f5 2. c4 e64,82747/5/48Rubinstein VariationA841. d4 f5 2. c4 e6 3. Nc33,14846/5/49Raphael VariationA801. d4 f5 2. Nc32,79149/5/46Staunton GambitA821. d4 f5 2. e41,72453/5/42Hopton AttackA801. d4 f5 2. Bg51,45054/4/42Staunton Gambit AcceptedA821. d4 f5 2. e4 fxe41,28853/6/41Fianchetto AttackA811. d4 f5 2. g31,01651/8/41Staunton GambitA831. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg566755/6/39Classical VariationA901. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg256652/6/42Fianchetto VariationA861. d4 f5 2. c4 Nf6 3. g341156/4/40Korchnoi AttackA801. d4 f5 2. h330856/3/41Semi-Leningrad VariationA811. d4 f5 2. g3 Nf6 3. Bg2 g625050/9/41Krejcik GambitA801. d4 f5 2. g422244/4/52Blackmar's Second GambitA821. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. f322156/3/41Barcza VariationA801. d4 f5 2. Nf3 Nf6 3. c319151/6/43Classical VariationA921. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O16754/5/41Leningrad VariationA871. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nf316446/8/46Classical VariationA911. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be715950/1/49Alapin VariationA801. d4 f5 2. Qd315857/6/37Classical VariationA901. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 d5 5. Nf315746/10/44Janzen-Korchnoi GambitA801. d4 f5 2. h3 Nf6 3. g415565/1/34Leningrad VariationA861. d4 f5 2. c4 Nf6 3. g3 g614352/3/45Classical VariationA961. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Be7 5. Nf3 O-O 6. O-O d612146/5/49Nimzo-Dutch VariationA901. d4 f5 2. c4 Nf6 3. g3 e6 4. Bg2 Bb4+9659/6/35
East Indian DefenseA481. d4 Nf6 2. Nf3 g620,11248/7/45
English DefenseA401. d4 b618,45251/5/441 line ▾
English DefenseA401. d4 e6 2. c4 b63,10350/4/46
Blackmar-Diemer GambitD001. d4 d5 2. e418,21052/4/4410 lines ▾
Blackmar-Diemer GambitD001. d4 d5 2. e4 dxe4 3. Nc3 Nf68,27552/4/44Blackmar GambitD001. d4 d5 2. e4 dxe4 3. f32,45251/4/45von Popiel GambitD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. Bg51,60354/5/41Zeller DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Bf51,14752/3/45Netherlands VariationD001. d4 d5 2. e4 dxe4 3. Nc3 f51,03755/3/42Lemberger CountergambitD001. d4 d5 2. e4 dxe4 3. Nc3 e556346/4/50Fritz AttackD001. d4 d5 2. e4 dxe4 3. Bc426347/5/48Reversed Albin CountergambitD001. d4 d5 2. e4 dxe4 3. Nc3 c522945/3/52Diemer-Rosenberg AttackD001. d4 d5 2. e4 dxe4 3. Be319653/3/44Lemberger Countergambit, Endgame VariationD001. d4 d5 2. e4 dxe4 3. Nc3 e5 4. dxe510347/4/49
Nimzo-Indian DefenseE201. d4 Nf6 2. c4 e6 3. Nc3 Bb417,51548/7/4527 lines ▾
Classical VariationE321. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc23,79946/12/42Three Knights VariationE211. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf32,96049/6/45Rubinstein SystemE401. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e32,84347/6/47Leningrad VariationE301. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg52,22748/4/48Sämisch VariationE241. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a31,55848/6/46Normal VariationE461. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O1,12745/8/47Kmoch VariationE201. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f389355/4/41Classical Variation, Berlin VariationE381. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 c579245/6/49Classical Variation, Noa VariationE341. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d578246/14/40Spielmann VariationE221. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb360747/8/45Normal VariationE471. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd355645/8/47St. Petersburg VariationE431. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b648751/5/44Rubinstein SystemE411. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c543546/5/49Sämisch VariationE271. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 O-O32052/6/42Normal Variation, Ragozin VariationE511. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf3 d531642/9/49Normal Variation, Classical DefenseE481. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Bd3 d530744/9/47Reshevsky VariationE461. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Ne223644/7/49Nimzo-Indian DefenseE501. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 O-O 5. Nf322544/4/52Classical Variation, Noa VariationE351. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. cxd5 exd521236/34/30St. Petersburg VariationE441. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Ne217052/8/40Sämisch VariationE261. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. e315545/6/49Dilworth GambitE201. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e414948/7/45Romanishin VariationE201. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. g314748/8/44Classical Variation, Zurich VariationE331. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 Nc614647/6/47Rubinstein System, Rubinstein VariationE421. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 c5 5. Ne213845/4/51Classical Variation, Noa VariationE361. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. a312243/11/46St. Petersburg VariationE431. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. Nf310151/0/49
Rapport-Jobava SystemD011. d4 d5 2. Nc3 Nf6 3. Bf415,64351/5/442 lines ▾
Rapport-Jobava SystemD011. d4 d5 2. Nc3 Nf6 3. Bf4 e66,70550/5/45Rapport-Jobava SystemD011. d4 d5 2. Nc3 Nf6 3. Bf4 g61,63346/5/49
Old Indian DefenseA411. d4 d6 2. c415,47548/5/479 lines ▾
Old Indian DefenseA531. d4 Nf6 2. c4 d612,37648/5/47Czech Variation, with Nc3A531. d4 Nf6 2. c4 d6 3. Nc3 c61,96149/5/46Ukrainian VariationA541. d4 Nf6 2. c4 d6 3. Nc3 e583743/8/49Czech Variation, with Nf3A531. d4 Nf6 2. c4 d6 3. Nf3 c666849/5/46Janowski VariationA531. d4 Nf6 2. c4 d6 3. Nc3 Bf539052/3/45Two Knights VariationA541. d4 Nf6 2. c4 d6 3. Nc3 e5 4. Nf332753/9/38Normal VariationA551. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. Nf320642/6/52Tartakower-IndianA541. d4 Nf6 2. c4 d6 3. Nf3 Bg411845/8/47Janowski Variation, Main LineA531. d4 Nf6 2. c4 d6 3. Nc3 Bf5 4. f310053/6/41
Semi-Slav Defense: Accelerated Move OrderD311. d4 d5 2. c4 e6 3. Nc3 c612,97450/6/4414 lines ▾
Semi-Slav DefenseD431. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e612,07250/6/44Main LineD451. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf33,36250/6/44Marshall GambitD311. d4 d5 2. c4 e6 3. Nc3 c6 4. e41,55553/4/43Noteboom VariationD311. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc493545/4/51Normal VariationD451. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd781748/7/45Anti-Noteboom, Stonewall VariationD311. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 f527445/6/49Main LineD461. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd327145/7/48Anti-Moscow GambitD431. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 h6 6. Bh420445/15/40Semi-Meran VariationD471. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc419645/7/48Botvinnik VariationD441. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e416742/8/50Meran VariationD471. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b514741/8/51Stoltz VariationD451. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Qc212455/5/40Marshall Gambit, Main LineD311. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd28838/9/53Botvinnik VariationD441. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc4 6. e4 b5 7. e5 h6 8. Bh4 g5 9. Nxg58138/11/51
Trompowsky AttackA451. d4 Nf6 2. Bg511,94949/6/455 lines ▾
Classical DefenseA451. d4 Nf6 2. Bg5 e62,99851/5/44Classical Defense, Big Center VariationA451. d4 Nf6 2. Bg5 e6 3. e41,23551/5/44Edge VariationA451. d4 Nf6 2. Bg5 Ne4 3. Bh486549/5/46Raptor VariationA451. d4 Nf6 2. Bg5 Ne4 3. h452948/6/46Borg VariationA451. d4 Nf6 2. Bg5 Ne4 3. Bf4 g515255/5/40
Grünfeld DefenseD801. d4 Nf6 2. c4 g6 3. Nc3 d58,80546/7/4718 lines ▾
Exchange VariationD851. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd53,95347/8/45Three Knights VariationD901. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg73,44146/7/47Three Knights VariationD901. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf32,43647/7/46Exchange Variation, Modern Exchange VariationD851. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf31,36643/9/48Exchange Variation, Modern Exchange VariationD851. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c51,03644/8/48Three Knights Variation, Burille VariationD941. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e398946/7/47Stockholm VariationD801. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg582348/6/46Exchange Variation, Classical VariationD861. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc481647/8/45Three Knights Variation, Petrosian SystemD911. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg567749/6/45Brinckmann AttackD821. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf446447/4/49Three Knights Variation, Hungarian AttackD921. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf446247/7/46Exchange Variation, Spassky VariationD871. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 O-O40047/9/44Three Knights Variation, Hungarian VariationD931. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 O-O 6. e331347/6/47Russian VariationD961. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb323250/6/44Brinckmann Attack, Grünfeld GambitD831. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O17146/5/49Three Knights Variation, Paris VariationD941. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 O-O 6. Bd311238/6/56Exchange Variation, Modern Exchange VariationD851. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 d5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb111146/7/47Russian VariationD971. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e410547/2/51
Rat Defense: Small Center DefenseC001. d4 e6 2. e4 d68,64152/4/446 lines ▾
HarmonistB001. e4 d6 2. f45,78050/4/46Antal DefenseB001. e4 d6 2. d4 Nd74,03949/5/46English RatA411. d4 d6 2. c4 e52,80845/6/49Accelerated GurgenidzeB061. e4 g6 2. d4 d6 3. Nc3 c656051/6/43Balogh DefenseA821. e4 d6 2. d4 f551655/3/42English Rat, Lisbon GambitA411. d4 d6 2. c4 e5 3. dxe5 Nc643044/3/53
Mikenas DefenseA401. d4 Nc67,32548/5/471 line ▾
Lithuanian VariationA401. d4 Nc6 2. c4 e5 3. d5 Nce789740/5/55
Rapport-Jobava System, with e6D011. d4 d5 2. Nc3 e6 3. Bf46,84350/4/46
Benko GambitA571. d4 Nf6 2. c4 c5 3. d5 b56,30944/6/502 lines ▾
Zaitsev SystemA571. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc377839/6/55Benko GambitA591. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g319648/10/42
Englund Gambit Declined: Reversed FrenchA401. d4 e5 2. e35,79550/4/465 lines ▾
Englund Gambit DeclinedA401. d4 e5 2. d55,45847/4/49Reversed AlekhineA401. d4 e5 2. Nf32,58546/4/50Reversed KrebsA401. d4 e5 2. Nf3 e41,61345/4/51Reversed BrooklynA401. d4 e5 2. Nf3 e4 3. Ng124547/3/50Reversed Mokele MbembeA401. d4 e5 2. Nf3 e4 3. Ne521743/6/51
London SystemA481. d4 Nf6 2. Nf3 g6 3. Bf45,63049/6/452 lines ▾
London SystemA481. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e35,31349/6/45London SystemA481. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d64,63849/5/46
Blackmar-Diemer Gambit AcceptedD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf35,21254/4/429 lines ▾
Teichmann DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg41,64555/4/41Euwe DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e61,31958/3/39Ryder GambitD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf31,26153/3/44Euwe Defense, Duthilleul GambitD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 e6 6. Bd379460/3/37Ziegler DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 c673755/4/41Bogoljubow DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 g629048/4/48Gunderam DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bf519339/6/55Pietrowsky DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Nc617352/5/43Teichmann Defense, Classical VariationD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Nxf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Be315164/3/33
Yusupov-Rubinstein SystemA461. d4 Nf6 2. Nf3 e6 3. e34,64749/5/46
Richter-Veresov AttackD011. d4 Nf6 2. Nc3 d5 3. Bg53,60049/5/465 lines ▾
Richter-Veresov AttackD011. d4 Nf6 2. Nc3 d5 3. Bg5 Bf544044/5/51Richter VariationD011. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. f325954/5/41Boyce DefenseD011. d4 Nf6 2. Nc3 d5 3. Bg5 Ne422152/5/43Veresov VariationD011. d4 Nf6 2. Nc3 d5 3. Bg5 Bf5 4. Bxf612644/6/50Two Knights SystemD011. d4 Nf6 2. Nc3 d5 3. Bg5 Nbd7 4. Nf310750/6/44
Queen's Indian DefenseE121. d4 Nf6 2. c4 e6 3. Nf3 b63,56548/8/4418 lines ▾
Fianchetto VariationE151. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g31,61248/10/42Fianchetto Variation, Traditional LineE151. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb71,19049/8/43Kasparov VariationE121. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc31,18947/7/46Classical VariationE171. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O68348/9/43Petrosian VariationE121. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a350850/7/43Traditional VariationE171. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be747346/10/44Fianchetto Variation, Nimzowitsch VariationE151. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba640344/12/44Kasparov-Petrosian VariationE121. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc337348/6/46Classical Variation, Traditional VariationE181. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. O-O O-O 7. Nc331446/11/43Spassky SystemE141. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e330447/7/46Capablanca VariationE161. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+29052/8/40Spassky SystemE141. d4 Nf6 2. c4 e6 3. Nf3 b6 4. e3 Bb728646/7/47Fianchetto Variation, Nimzowitsch Variation, Quiet LineE151. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b316843/14/43Kasparov-Petrosian Variation, Main LineE121. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d512547/8/45Fianchetto Variation, Check VariationE151. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+11342/13/45Fianchetto Variation, Check Variation, Intermezzo LineE151. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be79938/15/47Fianchetto Variation, Sämisch VariationE151. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 c58757/7/36Kasparov-Petrosian Variation, Marco DefenseE121. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 Be78560/4/36
Benko Gambit AcceptedA571. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a63,55344/7/496 lines ▾
Fully Accepted VariationA581. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa61,67645/7/48Modern VariationA571. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e359047/9/44Pawn Return VariationA571. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b642845/6/49YugoslavA591. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e429146/8/46King Walk VariationA591. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 d6 8. e4 Bxf1 9. Kxf1 Bg7 10. g3 O-O 11. Kg215946/11/43Dlugy VariationA571. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f38147/4/49
Slav IndianA501. d4 Nf6 2. c4 c63,12149/7/44
Bogo-Indian DefenseE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+3,10548/8/449 lines ▾
Grünfeld VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd262750/8/42Nimzowitsch VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe754846/8/46Exchange VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+51851/7/42Retreat VariationE111. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf336242/23/35Wade-Smyslov VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 a524549/10/41Retreat VariationE111. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O22146/16/38Retreat VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Be718950/10/40Retreat VariationE111. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Be7 5. Bg2 d5 6. Nf3 O-O 7. O-O17547/15/38Vitolins VariationE111. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c514949/9/42
Torre Attack: Classical DefenseA461. d4 Nf6 2. Nf3 e6 3. Bg52,85551/6/432 lines ▾
Fianchetto DefenseA481. d4 Nf6 2. Nf3 g6 3. Bg52,18351/7/42Classical Defense, Nimzowitsch VariationA461. d4 Nf6 2. Nf3 e6 3. Bg5 h627546/8/46
Catalan Opening: ClosedE061. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf32,83951/8/4110 lines ▾
Catalan OpeningE001. d4 Nf6 2. c4 e6 3. g32,62352/9/39Catalan OpeningE001. d4 Nf6 2. c4 e6 3. g3 d52,28252/8/40Open DefenseE011. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg21,85152/8/40Open DefenseE041. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc4 5. Nf369150/10/40Open Defense, Classical LineE051. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 O-O 6. O-O dxc467047/9/44ClosedE061. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. d4 O-O 6. O-O c654254/8/38Open DefenseE021. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 dxc422053/10/37Tarrasch DefenseE011. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c5 5. Nf3 Nc615255/4/41Open DefenseE041. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 c6 5. Bg2 dxc412650/8/42ClosedE071. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 O-O 6. O-O Nbd79257/9/34
Tarrasch DefenseD321. d4 d5 2. c4 e6 3. Nc3 c52,82946/7/475 lines ▾
Two Knights VariationD321. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf371448/6/46Symmetrical VariationD321. d4 d5 2. c4 e6 3. Nc3 c5 4. e3 Nf6 5. Nf3 Nc646248/7/45Schara GambitD321. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 cxd435443/7/50Prague VariationD331. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf613746/9/45Rubinstein SystemD331. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g312245/10/45
Paleface AttackA451. d4 Nf6 2. f31,99348/5/47 Polish DefenseA401. d4 b51,93049/5/46 Canard OpeningA451. d4 Nf6 2. f41,68648/5/47 Pseudo Queen's Indian DefenseA471. d4 Nf6 2. Nf3 b61,34745/7/48 Queen's Indian AcceleratedA501. d4 Nf6 2. c4 b61,08351/6/43
Neo-Grünfeld Defense: with Nf3D701. d4 Nf6 2. c4 g6 3. Nf3 d596053/6/416 lines ▾
Classical VariationD771. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c477749/8/43Classical Variation, Original DefenseD781. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 c6 6. O-O d553151/7/42with g3D731. d4 Nf6 2. c4 g6 3. g3 d5 4. Bg2 Bg7 5. Nf312453/3/44Classical Variation, Modern DefenseD771. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O d5 6. c4 dxc411655/10/35Goglidze AttackD701. d4 Nf6 2. c4 g6 3. f3 d59747/6/47with g3D701. d4 Nf6 2. c4 g6 3. g3 d58656/7/37
London System, with Bd3A481. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Bd396043/4/53 Mexican DefenseA501. d4 Nf6 2. c4 Nc694246/5/49 Rubinstein OpeningD051. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b382151/4/45
London System, with Be2A481. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be2 O-O77652/6/421 line ▾
London System, with Be2A481. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 d6 5. Be266249/6/45
Blackmar-Diemer Gambit Declined: Vienna DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 Bf576447/4/496 lines ▾
O'Kelly DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c656352/4/44Weinsbach DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e634957/5/38Langeheinicke DefenseD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e325343/8/49Weinsbach Defense, Pfrang GambitD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e6 5. fxe415056/5/39Brombacher CountergambitD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 c510642/7/51Elbert CountergambitD001. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 e59053/1/46
Kangaroo DefenseA401. d4 e6 2. c4 Bb4+75649/8/431 line ▾
Keres Defense, Transpositional VariationA401. d4 e6 2. c4 Bb4+ 3. Nc337148/6/46
Wade DefenseA411. d4 d6 2. Nf3 Bg464952/6/42 Basque OpeningA451. d4 Nf6 2. b339347/5/48 Semi-Slav Defense AcceptedD441. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 dxc427242/7/51
Benko Gambit Declined: Main LineA571. d4 Nf6 2. c4 c5 3. d5 b5 4. Nf327047/5/482 lines ▾
Quiet LineA571. d4 Nf6 2. c4 c5 3. d5 b5 4. Nd211442/4/54Sosonko VariationA571. d4 Nf6 2. c4 c5 3. d5 b5 4. a49154/2/44
Amazon AttackD001. d4 d5 2. Qd325048/6/461 line ▾
Siberian AttackA451. d4 Nf6 2. Nc3 d5 3. Qd39153/5/42
Montevideo DefenseA401. d4 Nc6 2. d5 Nb814548/6/46 Blumenfeld CountergambitE101. d4 Nf6 2. c4 e6 3. Nf3 c5 4. d5 b514348/6/46 Vulture DefenseA561. d4 Nf6 2. c4 c5 3. d5 Ne411842/3/55 Robatsch Defense: Rossolimo VariationA411. d4 d6 2. Nf3 g6 3. c4 Bg7 4. e4 Bg411436/7/57 Australian DefenseA401. d4 Na610546/5/49

1. Nf35 families · 62 openings

Zukertort OpeningA041. Nf3154,86150/6/4435 lines ▾
Zukertort OpeningA061. Nf3 d553,85351/6/43Zukertort OpeningA051. Nf3 Nf630,75249/7/44Sicilian InvitationA041. Nf3 c516,39549/6/45Tennison GambitA061. e4 d5 2. Nf314,18050/4/46Queen's Gambit InvitationA041. Nf3 e611,23451/6/43Black Mustang DefenseA041. Nf3 Nc69,22651/5/44Pirc InvitationA041. Nf3 d68,10950/6/44Slav InvitationA041. Nf3 c67,15451/6/43Kingside FianchettoA041. Nf3 g66,78649/5/46Queenside Fianchetto VariationA041. Nf3 b63,62353/5/42Old Indian AttackA061. Nf3 d5 2. d33,29850/5/45Ross GambitA041. Nf3 e53,03754/4/42Dutch VariationA041. Nf3 f52,99551/5/44Nimzo-Larsen VariationA051. Nf3 Nf6 2. b31,97049/7/44Lemberger GambitA051. Nf3 Nf6 2. e41,70645/4/51Quiet SystemA051. Nf3 Nf6 2. e31,27449/7/44Reversed GrünfeldA081. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d41,16255/6/39Reversed Mexican DefenseA061. Nf3 d5 2. Nc31,04648/6/46Wade DefenseA041. Nf3 d6 2. e4 Bg477248/5/47Vos GambitA041. Nf3 d6 2. d4 e566751/4/45Reversed GrünfeldA081. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf6 5. O-O60957/9/34Reversed GrünfeldA081. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 Nf647452/8/40The WalrusA041. Nf3 e5 2. Nxe5 Nc6 3. Nxc6 dxc638452/4/44Lisitsyn GambitA041. Nf3 f5 2. e436648/4/48Reversed GrünfeldA081. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d4 e6 5. O-O36154/8/38Arctic DefenseA041. Nf3 f634149/4/47St. George DefenseA041. Nf3 a633052/4/44Herrstrom GambitA041. Nf3 g528847/2/51Zukertort OpeningA051. Nf3 Nf6 2. Nc3 Nc626248/6/46Polish DefenseA041. Nf3 b525251/6/43Tennison Gambit, Brigg's TrapA061. e4 d5 2. Nf3 dxe4 3. Ng5 Nf6 4. Nc3 Bf5 5. Qe2 Qd424080/1/19Basman DefenseA041. Nf3 h621651/6/43Santasiere's FollyA061. b4 d5 2. Nf319154/5/41Lisitsyn Gambit DeferredA041. Nf3 f5 2. d3 Nf6 3. e410563/4/33Ware DefenseA041. Nf3 a510350/2/48
King's Indian AttackA071. Nf3 d5 2. g313,84652/6/4213 lines ▾
King's Indian AttackA051. Nf3 Nf6 2. g3 d55,66051/7/42Symmetrical DefenseA051. Nf3 Nf6 2. g3 g64,29450/6/44Sicilian VariationA081. Nf3 d5 2. g3 c5 3. Bg23,37152/7/41Sicilian VariationA071. Nf3 d5 2. g3 c53,36652/7/41French VariationA081. Nf3 d5 2. g3 c5 3. Bg2 Nc63,04452/6/42Keres VariationA071. Nf3 d5 2. g3 Bg469649/6/45Yugoslav VariationA071. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bg450452/7/41Wahls DefenseA051. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. O-O O-O 5. d3 d544749/7/44Double FianchettoA071. Nf3 d5 2. g3 g643147/9/44Sicilian VariationA081. Nf3 d5 2. g3 c5 3. Bg2 Nf6 4. O-O e6 5. d321656/4/40Spassky VariationA051. Nf3 Nf6 2. g3 b517645/9/46Omega-Delta GambitA071. Nf3 d5 2. g3 e514756/4/40Keres VariationA071. Nf3 d5 2. g3 Bg4 3. Bg2 Nd710144/11/45
Réti OpeningA091. Nf3 d5 2. c410,13452/6/428 lines ▾
Advance VariationA091. Nf3 d5 2. c4 d42,44952/5/43Réti AcceptedA091. Nf3 d5 2. c4 dxc42,17455/5/40Anglo-Slav Variation, Gurevich SystemA111. c4 c6 2. Nf3 d5 3. e31,35551/7/42Anglo-Slav Variation, with g3A111. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg294550/7/43Anglo-Slav Variation, Bogoljubow VariationA121. Nf3 d5 2. c4 c6 3. b344443/6/51Reversed Blumenfeld GambitA091. Nf3 d5 2. c4 d4 3. e3 c5 4. b428153/4/43Anglo-Slav Variation, with g3A111. c4 c6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bf527747/7/46Advance Variation, Michel GambitA091. Nf3 d5 2. c4 d4 3. b4 c510754/6/40
King's Indian Attack, with e6A071. Nf3 Nf6 2. g3 d5 3. Bg2 e63,68750/6/441 line ▾
King's Indian Attack, with e6A071. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. O-O Be71,22048/7/45
King's Indian Attack, with Bf5A071. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Bf577152/7/41

1. c42 families · 91 openings

English OpeningA101. c4157,29150/6/4489 lines ▾
King's English VariationA201. c4 e543,07350/6/44Anglo-Indian DefenseA151. c4 Nf631,84550/6/44King's English Variation, Reversed SicilianA211. c4 e5 2. Nc327,23251/5/44Anglo-Indian Defense, Queen's Knight VariationA161. c4 Nf6 2. Nc319,03950/6/44Agincourt DefenseA131. c4 e618,53149/6/45Symmetrical VariationA301. c4 c518,28750/6/44King's English Variation, Two Knights VariationA221. c4 e5 2. Nc3 Nf612,09150/5/45Caro-Kann Defensive SystemA111. c4 c611,40648/6/46Symmetrical Variation, Normal VariationA341. c4 c5 2. Nc310,68150/6/44Anglo-Scandinavian DefenseA101. c4 d510,18952/5/43Anglo-Indian Defense, King's Knight VariationA151. c4 Nf6 2. Nf39,38749/8/43Great Snake VariationA101. c4 g68,68350/6/44Anglo-Indian Defense, Hedgehog SystemA171. c4 Nf6 2. Nc3 e66,53151/5/44Symmetrical VariationA301. c4 c5 2. Nf35,98950/7/43Symmetrical Variation, Two Knights VariationA351. c4 c5 2. Nc3 Nc65,94950/6/44King's English Variation, Reversed Closed SicilianA251. c4 e5 2. Nc3 Nc65,34951/6/43Carls-Bremen SystemA221. c4 e5 2. Nc3 Nf6 3. g34,91248/7/45Agincourt DefenseA131. c4 e6 2. Nf3 d53,86649/7/44Anglo-Dutch DefenseA101. c4 f53,66250/6/44Anglo-Indian Defense, King's Indian FormationA151. c4 Nf6 2. Nf3 g63,63548/7/45The WhaleC201. e4 e5 2. c43,55148/6/46Agincourt DefenseA131. c4 e6 2. Nf33,47651/7/42Symmetrical Variation, Two Knights, Fianchetto VariationA361. c4 c5 2. Nc3 Nc6 3. g32,79850/6/44King's English Variation, Four Knights VariationA281. c4 e5 2. Nc3 Nf6 3. Nf3 Nc62,55650/6/44Symmetrical Variation, Anti-Benoni VariationA311. c4 Nf6 2. d4 c5 3. Nf32,29147/8/45Mikenas-Carls VariationA181. c4 e6 2. Nc3 Nf6 3. e42,05652/5/43Symmetrical Variation, Ultra-Symmetrical VariationA361. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc61,98950/7/43King's English Variation, Three Knights SystemA271. c4 e5 2. Nc3 Nc6 3. Nf31,89152/5/43Symmetrical Variation, Three Knights VariationA341. c4 c5 2. Nc3 Nf6 3. Nf31,74849/8/43King's English Variation, Kramnik-Shirov CounterattackA211. c4 e5 2. Nc3 Bb41,70749/6/45Anglo-Lithuanian VariationA101. c4 Nc61,63853/5/42Neo-CatalanA131. c4 e6 2. Nf3 d5 3. g3 Nf61,51049/9/42Anglo-Scandinavian Defense, Malvinas VariationA101. c4 d5 2. cxd5 Qxd5 3. Nc3 Qa51,49351/4/45Anglo-Grünfeld DefenseA161. c4 Nf6 2. Nc3 d51,44348/7/45Anglo-Indian Defense, Scandinavian DefenseA151. c4 Nf6 2. Nf3 d51,33353/6/41Symmetrical Variation, Four Knights VariationA351. c4 c5 2. Nf3 Nf6 3. Nc3 Nc61,28549/9/42Anglo-Scandinavian Defense, Schulz GambitA101. c4 d5 2. cxd5 Nf61,24851/4/45Symmetrical Variation, Fianchetto VariationA341. c4 Nf6 2. Nc3 c5 3. g31,15051/6/43Agincourt Defense, Neo-Catalan DeclinedA141. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O1,11048/11/41King's English Variation, Two Knights Variation, Reversed DragonA221. c4 e5 2. Nc3 Nf6 3. g3 d51,08449/6/45Symmetrical Variation, Three Knights, Fianchetto VariationA371. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf31,08248/7/45King's English Variation, Two Knights Variation, Smyslov SystemA221. c4 e5 2. Nc3 Nf6 3. g3 Bb41,01343/13/44King's English Variation, Nimzowitsch VariationA201. c4 e5 2. Nf399450/4/46Neo-Catalan DeclinedA131. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be796248/11/41King's English VariationA211. c4 e5 2. Nc3 d6 3. Nf394152/6/42King's English Variation, Two Knights Variation, Keres VariationA231. c4 e5 2. Nc3 Nf6 3. g3 c689247/5/48King's English Variation, Four Knights Variation, Fianchetto LineA291. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g386652/8/40Anglo-Indian Defense, Old Indian FormationA151. c4 Nf6 2. Nf3 d686249/6/45Anglo-Indian Defense, Anti-Anti-GrünfeldA151. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. e477350/6/44Agincourt Defense, Catalan Defense, Semi-Slav DefenseA131. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 c666654/5/41Anglo-Indian Defense, Scandinavian Defense, Exchange VariationA151. c4 Nf6 2. Nf3 d5 3. cxd5 Nxd563653/6/41Symmetrical Variation, Full Symmetry LineA381. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg763447/9/44Four Knights System, Nimzowitsch VariationA281. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e456648/6/46King's English Variation, Four Knights Variation, Quiet LineA281. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e355652/7/41Symmetrical Variation, Botvinnik SystemA361. c4 c5 2. e4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg254853/7/40Mikenas-Carls VariationA181. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e550151/6/43Jaenisch GambitA101. c4 b549452/4/44Mikenas-Carls, SicilianA191. c4 e6 2. Nc3 Nf6 3. e4 c537146/8/46Anglo-Indian Defense, Anglo-Grünfeld VariationA161. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf336852/7/41Agincourt Defense, Neo-Catalan DeclinedA141. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. O-O O-O 6. b333749/11/40Anglo-Indian Defense, Queen's Indian FormationA151. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb728947/8/45King's English Variation, Four Knights Variation, Flexible LineA281. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d327652/5/43Anglo-Indian Defense, Queen's Indian FormationA151. c4 Nf6 2. Nf3 b627648/9/43Anglo-Scandinavian Defense, Löhn GambitA101. c4 d5 2. cxd5 e627450/5/45King's English Variation, Two Knights Variation, Keres VariationA231. c4 e5 2. Nc3 Nf6 3. g3 Bc5 4. Bg2 c627054/7/39King's English Variation, Taimanov VariationA251. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg725650/5/45Agincourt Defense, Kurajica DefenseA131. c4 e6 2. Nf3 d5 3. g3 c625457/4/39King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6A291. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nb623045/9/46King's English Variation, Four Knights Variation, Fianchetto LineA291. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. g3 Bb422352/9/39King's English Variation, Keres DefenseA211. c4 e5 2. Nc3 d6 3. g3 c621851/3/46Symmetrical Variation, Three Knights, Fianchetto VariationA371. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O e6 6. Nc320550/5/45Symmetrical Variation, Rubinstein VariationA341. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc720445/4/51Agincourt Defense, Catalan Defense AcceptedA131. c4 e6 2. Nf3 Nf6 3. g3 d5 4. Bg2 dxc419943/8/49King's English Variation, Nimzowitsch-Flohr VariationA201. c4 e5 2. Nf3 e419250/4/46Anglo-Indian Defense, Nimzo-EnglishA171. c4 Nf6 2. Nc3 e6 3. Nf3 Bb416959/8/33King's English Variation, Reversed Closed SicilianA251. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. Nd515456/4/40Symmetrical Variation, Anti-Benoni Variation, Spielmann DefenseA331. c4 e6 2. Nf3 Nf6 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc615449/5/46Symmetrical Variation, Mecking VariationA391. c4 Nf6 2. Nf3 c5 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. O-O O-O 7. d415050/10/40Symmetrical Variation, Anti-Benoni Variation, Spielmann DefenseA321. c4 e6 2. d4 c5 3. Nf3 cxd4 4. Nxd4 Nf614947/4/49Anglo-Indian Defense, Anglo-Grünfeld VariationA161. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g613356/8/36King's English Variation, Troger DefenseA211. c4 e5 2. Nc3 Nc6 3. g3 d6 4. Bg2 Be612248/6/46Symmetrical Variation, Rubinstein VariationA341. c4 c5 2. Nf3 Nf6 3. Nc3 d5 4. cxd5 Nxd5 5. g3 Nc6 6. Bg2 Nc712148/5/47Myers DefenseA101. c4 g511951/3/46Symmetrical Variation, Four Knights Variation, Keres-Parma SystemA351. c4 c5 2. Nf3 Nf6 3. Nc3 Nc6 4. g3 e611752/5/43Anglo-Indian Defense, Flohr-Mikenas-Carls Variation, Nei GambitA191. c4 e6 2. Nc3 Nf6 3. e4 c5 4. e5 Ng811249/10/41King's English Variation, Four Knights Variation, Fianchetto LineA291. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nf3 Nc611148/5/47Agincourt Defense, Bogoljubow DefenseA131. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Bd610250/9/41Anglo-Indian Defense, Queen's Indian FormationA171. c4 e6 2. Nc3 Nf6 3. Nf3 b68745/10/45Symmetrical Variation, Three Knights, Fianchetto VariationA371. c4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. O-O d6 6. Nc38658/3/39
English OrangutanA151. c4 Nf6 2. Nf3 g6 3. b412350/6/44

Other first moves21 families · 90 openings

Bird OpeningA021. f450,31850/5/4513 lines ▾
Dutch VariationA031. f4 d518,88350/5/45From's GambitA021. f4 e54,99549/3/48Williams GambitA031. f4 d5 2. e496948/3/49Schlechter GambitA021. f4 e5 2. fxe5 Nc660249/3/48From's Gambit, Lasker VariationA021. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g553851/5/44Lasker VariationA031. f4 d5 2. Nf3 Nf6 3. e3 c544549/5/46Dutch Variation, Batavo GambitB211. e4 c5 2. f4 d5 3. Nf3 dxe430939/4/57Sturm GambitA031. f4 d5 2. c421447/5/48Hobbs GambitA021. f4 g516945/2/53Double Duck FormationA021. f4 f5 2. d4 d516742/7/51Lasker GambitA021. f4 e5 2. fxe5 f612350/7/43Horsefly DefenseA021. f4 Nh611542/6/52Wagner-Zwitersch GambitA021. f4 f5 2. e410852/6/42
Nimzo-Larsen AttackA011. b345,99549/5/4613 lines ▾
Modern VariationA011. b3 e513,14850/5/45Classical VariationA011. b3 d512,51450/5/45Modern VariationA011. b3 e5 2. Bb2 Nc68,08649/5/46Indian VariationA011. b3 Nf66,08349/6/45Modern VariationA011. b3 e5 2. Bb2 Nc6 3. e35,49350/5/45English VariationA011. b3 c52,89448/5/47Classical VariationA061. Nf3 d5 2. b32,86151/6/43Symmetrical VariationA011. b3 b61,32153/5/42Dutch VariationA011. b3 f547651/5/44Modern VariationA011. b3 e5 2. Bb2 Nc6 3. c4 Nf627050/8/42Spike VariationA011. b3 Nf6 2. Bb2 g6 3. g422551/4/45Graz AttackA011. b3 d5 2. Ba312437/4/59Polish VariationA011. b3 b59348/10/42
Hungarian OpeningA001. g343,91249/5/468 lines ▾
Slav FormationA001. g3 d5 2. Bg2 c64,61548/6/46Indian DefenseA001. g3 Nf63,40248/5/47Catalan FormationA001. g3 d5 2. Bg2 e63,33149/5/46Sicilian InvitationA001. g3 c53,18049/5/46Symmetrical VariationA001. g3 g62,66548/6/46Reversed Modern DefenseA001. g3 d5 2. Bg2 c51,44748/5/47Dutch DefenseA001. g3 f555353/5/42Reversed AlekhineA001. g3 e5 2. Nf329450/3/47
Van't Kruijs OpeningA001. e343,72848/4/48
Mieses OpeningA001. d320,07848/5/471 line ▾
Reversed RatA001. d3 e53,70248/4/48
Polish OpeningA001. b418,46650/5/4515 lines ▾
Czech DefenseA001. b4 e5 2. Bb2 d62,29648/5/47King's Indian VariationA001. b4 Nf6 2. Bb2 g61,32048/6/46Outflank VariationA001. b4 c677747/5/48Bugayev AttackA001. b4 e5 2. a360454/3/43Schiffler-Sokolsky VariationA001. b4 e6 2. Bb2 Nf6 3. b5 d5 4. e348848/5/47Baltic DefenseA001. b4 d5 2. Bb2 Bf543249/5/46Birmingham GambitA001. b4 c536151/5/44Bugayev Advance VariationA001. b4 e5 2. Bb2 f6 3. b529351/2/47Dutch DefenseA001. b4 f523150/5/45Zukertort SystemA051. Nf3 Nf6 2. b4 g6 3. Bb220342/5/53Symmetrical VariationA001. b4 b515250/5/45King's Indian Variation, Schiffler AttackA001. b4 Nf6 2. Bb2 g6 3. e411245/3/52Queen's Indian VariationA001. b4 e6 2. Bb2 Nf6 3. b5 b610950/6/44Queenside DefenseA001. b4 e6 2. Bb2 Nf6 3. b5 a69846/9/45Grigorian VariationA001. b4 Nc69054/2/44
Van Geet OpeningA001. Nc316,76150/5/459 lines ▾
Reversed NimzowitschA001. Nc3 e52,81750/5/45Dunst-Perrenet GambitA001. Nc3 d5 2. e4 dxe4 3. d366251/7/42Napoleon AttackA001. Nc3 e5 2. Nf3 Nc6 3. d441253/6/41Grünfeld DefenseB011. e4 d5 2. Nc3 dxe4 3. Nxe4 e536350/6/44Berlin GambitB001. e4 Nc6 2. d4 d5 3. Nc3 dxe4 4. d534550/6/44Sicilian Two KnightsA001. Nc3 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd417651/5/44Grünfeld Defense, Steiner GambitC311. e4 e5 2. f4 d5 3. Nc3 dxe4 4. Nxe411649/3/48Reversed ScandinavianA001. Nc3 e5 2. d4 exd4 3. Qxd4 Nc6 4. Qa410656/3/41Novosibirsk VariationA001. Nc3 c5 2. d4 cxd4 3. Qxd4 Nc6 4. Qh410351/7/42
Grob OpeningA001. g410,79550/4/466 lines ▾
Grob GambitA001. g4 d5 2. Bg23,78353/4/43Grob Gambit, Fritz GambitA001. g4 d5 2. Bg2 Bxg4 3. c41,54559/3/38Grob Gambit DeclinedA001. g4 d5 2. Bg2 c61,14946/5/49Spike, Hurst AttackA001. g4 e5 2. Bg2 d5 3. c491451/2/47Spike AttackA001. g4 d5 2. Bg2 c6 3. g526246/8/46Keene DefenseA001. g4 d5 2. h3 e5 3. Bg2 c69651/3/46
Saragossa OpeningA001. c37,79148/5/47
Polish Opening, with d5A001. b4 d53,90351/5/441 line ▾
Polish Opening, with d5A001. b4 d5 2. Bb2 Nf6 3. Nf323552/5/43
Anderssen's OpeningA001. a33,01451/5/44
Barnes OpeningA001. f32,64446/4/502 lines ▾
HammerschlagA001. f3 e5 2. Kf217043/4/53WalkerlingC201. f3 e5 2. e4 Nf6 3. Bc410243/3/54
Kádas OpeningA001. h42,23345/4/51 Clemenz OpeningA001. h31,41345/5/50
Ware OpeningA001. a41,33547/5/481 line ▾
Crab VariationA001. a4 e5 2. h411448/5/47
Amar OpeningA001. Nh353349/4/47 Lasker Simul SpecialA001. g3 h550244/5/51 Sodium AttackA001. Na330949/13/38 Valencia OpeningA001. d3 e5 2. Nd230848/4/48 Global OpeningA001. h3 e5 2. a319547/3/50 Creepy Crawly Formation: Classical DefenseA001. h3 d5 2. a3 e517144/7/49

Data: 4 million rated games from the Lichess open database (CC0), both players 1600+, blitz and slower. Popular is not the same as good.