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Petrov's Defense

ECO C42 · 5,273 games · White to move

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4

47% White10% Draw43% Black

Open this position on the board

What gets played next

Move	Games	Share	White / draw / Black	Leads to
d4	1,959	37.2%		Petrov's Defense: Classical Attack C42
Qe2	1,053	20.0%		Petrov's Defense: Cozio Attack C42
Nc3	1,013	19.2%		Petrov's Defense: Nimzowitsch Attack C42
d3	576	10.9%		Petrov's Defense: French Attack C42
Bc4	299	5.7%
Bd3	134	2.5%		Petrov's Defense: Millennium Attack C42
Be2	126	2.4%
c4	58	1.1%
c3	25	0.5%
Bb5+	11	0.2%

A further 19 games played a rarer move, or ended right here.

How this line is reached

King's Pawn Game 1. e4 King's Pawn Game 1... e5 King's Knight Opening 2. Nf3 Petrov's Defense 2... Nf6 Petrov's Defense 3. Nxe5 Petrov's Defense 3... d6 Petrov's Defense 4. Nf3Petrov's Defense 4... Nxe4

Other lines in this family

Classical AttackC42… 5. d42,112 Cozio AttackC42… 5. Qe21,053 Nimzowitsch AttackC42… 5. Nc31,013 Classical Attack, Marshall VariationC42… 5. d4 d5 6. Bd3 Bd6684 French AttackC42… 5. d3576 Classical Attack, Staunton VariationC42… 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6351 Classical Attack, Mason-Showalter VariationC42… 5. d4 d5 6. Bd3 Nc6259 Millennium AttackC42… 5. Bd3134 Classical Attack, Mason VariationC42… 5. d4 d5 6. Bd3 Be7 7. O-O O-O124 Classical Attack, Jaenisch VariationC42… 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. c488

All 33 lines in the family

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