Petrov's Defense: Stafford Gambit Accepted (5. Nc3 Bc5)

1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Nc3 Bc5

Petrov's Defense: Stafford Gambit Accepted after 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Nc3 Bc5 87654321abcdefgh

The Petrov's Defense: Stafford Gambit Accepted is a chess opening classified as ECO C42, reached after 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Nc3 Bc5. It is a line of the Petrov's Defense. White is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 4,045 times by this move order. White won 40%, 3% were drawn and Black won 57%. The most popular continuation is 6. Bc4 (33% of games).

Engine evaluation: +2.02 (Stockfish, depth 55; best line 6. h3 Be6 7. d3 Qd7 8. f4 O-O-O)

ECO
C42
Moves
10 plies
FEN
r1bqk2r/ppp2ppp/2p2n2/2b5/4P3/2N5/PPPP1PPP/R1BQKB1R w KQkq - 2 6
PGN
1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Nc3 Bc5

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14991,86141%57%
1500-19992,00039%58%
2000+18441%52%
All4,04540%57%

Most played moves

MoveGamesWhite / draw / Black
6. Bc41,335 (33%)28%70%
6. h31,056 (26%)52%45%
6. d3629 (16%)38%58%
6. Be2436 (11%)43%52%
6. d4202 (5%)45%50%
6. e587 (2%)34%62%
6. f375 (2%)45%45%
6. Qe264 (2%)64%33%

Master games

179 over-the-board games are classified under this line (White 41%, draw 9%, Black 50%). The strongest:

Search all games of the Petrov's Defense: Stafford Gambit Accepted and its sub-variations

Highest-rated Lichess games

Comes from

Petrov's Defense: Stafford Gambit Accepted (4. Nxc6 dxc6) 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6

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.