Bishop's Opening: McDonnell Gambit, La Bourdonnais-Denker Gambit

1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. c3

Bishop's Opening: McDonnell Gambit, La Bourdonnais-Denker Gambit after 1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. c3 87654321abcdefgh

The Bishop's Opening: McDonnell Gambit, La Bourdonnais-Denker Gambit is a chess opening classified as ECO C23, reached after 1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. c3. It is a line of the Bishop's Opening. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 30 times by this move order. White won 53%, 0% were drawn and Black won 47%. The most popular continuation is 4… Bc5 (63% of games).

Engine evaluation: −0.22 (Stockfish, depth 46; best line 4… Ba5 5. d4 Nc6 6. Nf3 d6 7. Qb3)

ECO
C23
Moves
7 plies
FEN
rnbqk1nr/pppp1ppp/8/4p3/1bB1P3/2P5/P2P1PPP/RNBQK1NR b KQkq - 0 4
PGN
1. e4 e5 2. Bc4 Bc5 3. b4 Bxb4 4. c3

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14991457%43%
1500-19991553%47%
2000+1100%
All3053%47%

Most played moves

MoveGamesWhite / draw / Black
4… Bc519 (63%)58%42%
4… Ba55 (17%)40%60%
4… Be75 (17%)40%60%
4… Bd61 (3%)100%

Highest-rated Lichess games

Comes from

Bishop's Opening: McDonnell Gambit 1. e4 e5 2. Bc4 Bc5 3. b4

More Bishop's Opening 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.