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Petrov's Defense: Cozio Attack

ECO C42 · 1,053 games · Black to move

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Qe2

48% White9% Draw43% Black

Open this position on the board

What gets played next

Move	Games	Share	White / draw / Black	Leads to
Qe7	1,040	98.8%

A further 13 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. Nf3 Petrov's Defense 4... Nxe4Petrov's Defense: Cozio Attack 5. Qe2

Other lines in this family

Petrov's DefenseC42…5,273 Classical AttackC42… 5. d42,112 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.