Slav Defense: Bonet Gambit
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bg5
The Slav Defense: Bonet Gambit is a chess opening classified as ECO D11, reached after 1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bg5. It is a line of the Slav Defense. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 788 times by this move order. White won 51%, 3% were drawn and Black won 46%. The most popular continuation is 4… e6 (33% of games).
Engine evaluation: −0.32 (Stockfish, depth 44; best line 4… dxc4 5. e3 b5 6. Be2 h6 7. Bxf6)
- ECO
- D11
- Moves
- 7 plies
- FEN
rnbqkb1r/pp2pppp/2p2n2/3p2B1/2PP4/5N2/PP2PPPP/RN1QKB1R b KQkq - 3 4- PGN
1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bg5
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 203 | |
| 1500-1999 | 506 | |
| 2000+ | 79 | |
| All | 788 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4… e6 | 261 (33%) | |
| 4… Bf5 | 119 (15%) | |
| 4… Bg4 | 91 (12%) | |
| 4… Ne4 | 90 (11%) | |
| 4… h6 | 61 (8%) | |
| 4… dxc4 | 57 (7%) | |
| 4… Nbd7 | 53 (7%) | |
| 4… g6 | 36 (5%) |
Master games
60 over-the-board games are classified under this line (White 33%, draw 15%, Black 52%). The strongest:
- Xiaoyi Ren (2253) – WGM Jue Wang (2365) 0-1 · China zt 3.5 Women 2017 · 2017-08-13
- IM Justin Sarkar (2324) – FM Jorge Carlos Antonio (2277) 1-0 · Titled Tuesday 19th Oct · 2021-10-19
- GM Sinisa Drazic (2327) – FM Nenad Dimitrijevic (2220) 1/2-1/2 · IM Dani Petrovca 2022 · 2022-05-06
- WIM Jenny Astrid Chirivi C (2114) – FM Ferenc Jr. Gombocz (2357) 0-1 · Titled Tue 9th Jul Early · 2024-07-09
- FM Farzad Bolourchifard (2292) – IM Alberto Santos Flores (2164) 1-0 · Titled Tue 11th Jul Late · 2023-07-11
Search all games of the Slav Defense: Bonet Gambit and its sub-variations
Highest-rated Lichess games
- gammadrill (2561) – Raketa333 (2543) 1/2-1/2 · 2026-09-03 · 180 + 0s
- Myauno (2225) – Dynamovec (2524) 0-1 · 2026-09-06 · 180 + 0s
- AlexPawnold (2352) – Night-Forest (2331) 0-1 · 2026-09-03 · 180 + 0s
Comes from
Slav Defense: Modern Line (2… c6 3. Nf3) 1. d4 d5 2. c4 c6 3. Nf3
More Slav Defense lines (all)
- Slav Defense (2. c4 c6) D10
- Slav Defense (2… c6 3. Nc3) D10
- Slav Defense (3. Nc3 dxc4) D10
- Slav Defense: Diemer Gambit D10
- Slav Defense: Exchange Variation (2… c6 3. cxd5) D10
- Slav Defense: Exchange Variation, Boor Attack D10
- Slav Defense: Slav Gambit, Alekhine Attack D10
- Slav Defense: Winawer Countergambit D10
- Slav Defense: Winawer Countergambit, Anti-Winawer Gambit D10
- Slav Defense: Breyer Variation D11
- Slav Defense: Modern Line (5. Bg2 g6) D11
- Slav Defense: Modern Line (5… e6 6. O-O) D11
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.