Opening Overview

Petrov's Defense

48 lines
black repertoire

About This Opening

Petrov's Defense is a solid opening that emphasizes structure, flexibility, and reliable development.

These structures usually reward accurate development, good piece coordination, and patience before committing to pawn breaks.

The practical edge often comes from knowing the main pawn structures and where each side wants counterplay, rather than memorizing long forcing lines.

Key ideas
  • Typical theme: sound structure and flexible plans.
  • Most plans revolve around piece activity and pawn breaks at the right moment.
  • Best for players who want reliable positions and clear structure.
  • Learn the standard middlegame plans, not just the first moves.

Choose a variation

Petrov's Defense: Classical Attack, Krause Variation
C42 19 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6 7. O-O Be7 8. Re1 Bg4 9. c3 f5 10. c4
Petrov's Defense: Classical Attack, Marshall Trap
C42 20 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4 9. cxd5 f5 10. Re1 Bxh2+
Petrov's Defense: Classical Attack, Marshall Variation
C42 12 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6
Petrov's Defense: Classical Attack, Marshall Variation, Chinese Gambit
C42 18 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6 9. Re1 Bg4
Petrov's Defense: Classical Attack, Maróczy Variation
C42 20 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. c4 Bh4
Petrov's Defense: Classical Attack, Mason Variation
C42 14 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O O-O
Petrov's Defense: Classical Attack, Mason-Showalter Variation
C42 12 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Nc6
Petrov's Defense: Classical Attack, Staunton Variation
C42 16 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 c6
Petrov's Defense: Classical Attack, Tarrasch Variation
C42 16 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4
Petrov's Defense: Cochrane Gambit
C42 7 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7
Petrov's Defense: Cochrane Gambit, Bishop Check Line
C42 9 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. Bc4+
Petrov's Defense: Cochrane Gambit, Center Variation
C42 9 plies
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nxf7 Kxf7 5. d4