Petrov's Defense: 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

Petrov's Defense: Classical Attack, Tarrasch Variation after 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 87654321abcdefgh

The Petrov's Defense: Classical Attack, Tarrasch Variation is a chess opening classified as ECO C42, reached after 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. It is a line of the Petrov's Defense. White is to move. 1 named line continues from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 1 times by this move order. White won 100%, 0% were drawn and Black won 0%. The most popular continuation is 9. cxd5 (100% of games).

Engine evaluation: +0.67 (Stockfish, depth 42; best line 9. cxd5 Nf6 10. h3 Bh5 11. Nc3 Re8)

ECO
C42
Moves
16 plies
FEN
rn1q1rk1/ppp2ppp/3b4/3p4/2PPn1b1/3B1N2/PP3PPP/RNBQ1RK1 w - - 1 9
PGN
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

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
2000+1100%
All1100%

Most played moves

MoveGamesWhite / draw / Black
9. cxd51 (100%)100%

Master games

2 over-the-board games are classified under this line (White 0%, draw 0%, Black 100%). The strongest:

Search all games of the Petrov's Defense: Classical Attack, Tarrasch Variation and its sub-variations

Highest-rated Lichess games

Comes from

Petrov's Defense: Classical Attack, Marshall Variation 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6

Continuations

More Petrov's Defense lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.