Petrov's Defense

1.e4 e5 2.Nf3 Nf6. ECO C42–C43, 50 named variations.

C42

Petrov's Defense

50 variations

Tactics from the Petrov's Defense 200 puzzles

All Petrov's Defense variations

Related openings

Sicilian Defense Ruy Lopez French Defense Italian Game King's Gambit Accepted Caro-Kann Defense Alekhine Defense King's Gambit Declined Scotch Game Four Knights Game

ECO	Variation	Moves
C42	Petrov's Defense 1.e4 e5 2.Nf3 Nf6	1.e4 e5 2.Nf3 Nf6
C42	Petrov's Defense 1.e4 e5 2.Nf3 Nf6 3.Nxe5	1.e4 e5 2.Nf3 Nf6 3.Nxe5
C42	Italian Variation 1.e4 e5 2.Nf3 Nf6 3.Bc4	1.e4 e5 2.Nf3 Nf6 3.Bc4
C43	Modern Attack 1.e4 e5 2.Nf3 Nf6 3.d4	1.e4 e5 2.Nf3 Nf6 3.d4
C42	Three Knights Game 1.e4 e5 2.Nf3 Nf6 3.Nc3	1.e4 e5 2.Nf3 Nf6 3.Nc3
C42	Petrov's Defense 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6
C42	Damiano Variation 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4	1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4
C43	Modern Attack 1.e4 e5 2.Nf3 Nf6 3.d4 exd4	1.e4 e5 2.Nf3 Nf6 3.d4 exd4
C43	Modern Attack, Symmetrical Variation 1.e4 e5 2.Nf3 Nf6 3.d4 d5	1.e4 e5 2.Nf3 Nf6 3.d4 d5
C42	Stafford Gambit 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6	1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6
C42	Petrov's Defense 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3
C42	Cochrane Gambit 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7
C42	Karklins-Martinovsky Variation 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nd3	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nd3
C43	Modern Attack, Center Variation 1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3	1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3
C42	Moody Gambit 1.e4 e5 2.Nf3 Nf6 3.Qe2 Nc6 4.d4	1.e4 e5 2.Nf3 Nf6 3.Qe2 Nc6 4.d4
C42	Paulsen Attack 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nc4	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nc4
C42	Petrov's Defense 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4
C42	Damiano Variation, Kholmov Gambit 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4 4.Qe2 Qe7	1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nxe4 4.Qe2 Qe7
C43	Modern Attack, Murrey Variation 1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 Nc6	1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 Nc6
C42	Stafford Gambit Accepted 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6	1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6
C42	Classical Attack 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4
C42	Cochrane Gambit, Bishop Check Line 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.Bc4+	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.Bc4+
C42	Cochrane Gambit, Center Variation 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nxf7 Kxf7 5.d4
C42	Cozio Attack 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Qe2
C42	French Attack 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d3	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d3
C42	Kaufmann Attack 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.c4	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.c4
C42	Millennium Attack 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Bd3	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Bd3
C43	Modern Attack, Center Attack 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qxd4	1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qxd4
C43	Modern Attack, Steinitz Variation 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qe2	1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qe2
C43	Modern Attack, Tal Gambit 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Bb5	1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Bb5
C42	Nimzowitsch Attack 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.Nc3
C42	Classical Attack, Closed Variation 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 Nf6	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 Nf6
C42	Stafford Gambit Accepted 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6 5.Nc3 Bc5	1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6 5.Nc3 Bc5
C42	Stafford Gambit Accepted 1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6 5.d3 Bc5	1.e4 e5 2.Nf3 Nf6 3.Nxe5 Nc6 4.Nxc6 dxc6 5.d3 Bc5
C42	Classical Attack, Marshall Variation 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Bd6
C42	Classical Attack, Mason-Showalter Variation 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6
C43	Modern Attack, Bardeleben Variation 1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qe2 Nc5 6.Nxd4 Nc6	1.e4 e5 2.Nf3 Nf6 3.d4 exd4 4.e5 Ne4 5.Qe2 Nc5 6.Nxd4 Nc6
C42	Classical Attack, Mason Variation 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O O-O	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O O-O
C43	Modern Attack, Trifunovic Variation 1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.O-O O-O 7.c4 Bxe5	1.e4 e5 2.Nf3 Nf6 3.d4 Nxe4 4.Bd3 d5 5.Nxe5 Bd6 6.O-O O-O 7.c4 Bxe5
C42	Classical Attack, Chigorin Variation 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Be7 7.O-O Nc6 8.Re1
C42	Classical Attack, Jaenisch Variation 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.O-O Be7 8.c4	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.O-O Be7 8.c4
C42	Classical Attack, Staunton Variation 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	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
C42	Classical Attack, Tarrasch Variation 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	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
C42	Classical Attack, Chigorin Variation, Browne Attack 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.O-O Be7 8.c4 Nb4 9.cxd5	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.O-O Be7 8.c4 Nb4 9.cxd5
C42	Classical Attack, Chigorin Variation, Main Line 1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.O-O Be7 8.c4 Nb4 9.Be2	1.e4 e5 2.Nf3 Nf6 3.Nxe5 d6 4.Nf3 Nxe4 5.d4 d5 6.Bd3 Nc6 7.O-O Be7 8.c4 Nb4 9.Be2
C42	Classical Attack, Marshall Variation, Chinese Gambit 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	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
C42	Classical Attack, Berger Variation 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.Nbd2	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.Nbd2
C42	Classical Attack, Krause Variation 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	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
C42	Classical Attack, Maróczy Variation 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	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
C42	Classical Attack, Marshall Trap 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+	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+