Petrov's Defense: Nimzowitsch Attack

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3

Petrov's Defense: Nimzowitsch Attack after 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 87654321abcdefgh

The Petrov's Defense: Nimzowitsch Attack is a chess opening classified as ECO C42, reached after 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3. It is a line of the Petrov's Defense. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 1,771 times by this move order. White won 51%, 7% were drawn and Black won 42%. The most popular continuation is 5… Nxc3 (79% of games).

Engine evaluation: +0.17 (Stockfish, depth 52; best line 5… Nxc3 6. dxc3 Be7 7. Be3 O-O 8. Qd2)

ECO
C42
Moves
9 plies
FEN
rnbqkb1r/ppp2ppp/3p4/8/4n3/2N2N2/PPPP1PPP/R1BQKB1R b KQkq - 1 5
PGN
1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3

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

Results by rating

Average ratingGamesWhite / draw / Black
0-149917449%44%
1500-199977755%39%
2000+82049%43%
All1,77151%42%

Most played moves

MoveGamesWhite / draw / Black
5… Nxc31,394 (79%)51%41%
5… Nf6217 (12%)49%44%
5… d5105 (6%)53%43%
5… Qe722 (1%)45%14%41%
5… Bf514 (1%)43%50%
5… Nc58 (0%)100%
5… f56 (0%)83%17%
5… Be71 (0%)100%

Master games

6,060 over-the-board games are classified under this line (White 42%, draw 33%, Black 25%). The strongest:

Search all games of the Petrov's Defense: Nimzowitsch Attack and its sub-variations

Highest-rated Lichess games

Comes from

Petrov's Defense (4. Nf3 Nxe4) 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4

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.