Caro-Kann Defense: Advance Variation, Bayonet Attack
1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4
The Caro-Kann Defense: Advance Variation, Bayonet Attack is a chess opening classified as ECO B12, reached after 1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4. It is a line of the Caro-Kann Defense. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 3,780 times by this move order. White won 52%, 4% were drawn and Black won 44%. The most popular continuation is 4… Bg6 (56% of games).
Engine evaluation: −0.18 (Stockfish, depth 48; best line 4… Be4 5. Nf3 e6 6. Be3 Nd7 7. Nc3)
- ECO
- B12
- Moves
- 7 plies
- FEN
rn1qkbnr/pp2pppp/2p5/3pPb2/3P2P1/8/PPP2P1P/RNBQKBNR b KQkq - 0 4- PGN
1. e4 c6 2. d4 d5 3. e5 Bf5 4. g4
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 732 | |
| 1500-1999 | 2,074 | |
| 2000+ | 974 | |
| All | 3,780 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4… Bg6 | 2,129 (56%) | |
| 4… Be4 | 979 (26%) | |
| 4… Bd7 | 472 (12%) | |
| 4… Bc8 | 104 (3%) | |
| 4… Be6 | 49 (1%) | |
| 4… e6 | 39 (1%) | |
| 4… h6 | 3 (0%) | |
| 4… Bxg4 | 2 (0%) |
Master games
1,083 over-the-board games are classified under this line (White 45%, draw 17%, Black 38%). The strongest:
- StoofvleesII a18 (3532) – LCZero0.28.0-rc1_69146 (3614) 1/2-1/2 · TCEC 21 Premier 2021 · 2021-06-30
- LCZero0.28.0-rc1_69146 (3614) – StoofvleesII a18 (3532) 1-0 · TCEC 21 Premier 2021 · 2021-06-28
- GM Nodirbek Abdusattorov (2777) – GM Alireza Firouzja (2744) 0-1 · GCT Super Blitz Croatia · 2026-07-04
- GM Ian Nepomniachtchi (2732) – GM Viswanathan Anand (2786) 1/2-1/2 · GCT Blitz YourNextMove · 2017-07-01
- GM Francisco Vallejo Pons (2716) – GM So, W. (2792) 0-1 · FIDE World Cup 2017 · 2017-09-09
Search all games of the Caro-Kann Defense: Advance Variation, Bayonet Attack and its sub-variations
Highest-rated Lichess games
- CapybaraMelon (2553) – IM liczner (2756) 1-0 · 2026-09-06 · 180 + 0s
- CapybaraMelon (2539) – IM liczner (2717) 0-1 · 2026-09-05 · 180 + 0s
- IM Lenyas66 (2600) – pnr86 (2619) 0-1 · 2026-09-05 · 180 + 2s
Comes from
Caro-Kann Defense: Advance Variation 1. e4 c6 2. d4 d5 3. e5
More Caro-Kann Defense lines (all)
- Caro-Kann Defense (1. e4 c6) B10
- Caro-Kann Defense (1… c6 2. Nc3) B10
- Caro-Kann Defense (2. Nc3 d5) B10
- Caro-Kann Defense: Accelerated Panov Attack (1… c6 2. c4) B10
- Caro-Kann Defense: Accelerated Panov Attack (2. c4 d5) B10
- Caro-Kann Defense: Accelerated Panov Attack, Modern Variation B10
- Caro-Kann Defense: Accelerated Panov Attack, Open Variation B10
- Caro-Kann Defense: Accelerated Panov Attack, Pseudo-Scandinavian B10
- Caro-Kann Defense: Accelerated Panov Attack, Van Weersel Attack B10
- Caro-Kann Defense: Apocalypse Attack B10
- Caro-Kann Defense: Breyer Variation B10
- Caro-Kann Defense: Breyer Variation, Stein Attack B10
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.