Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit
1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5
The Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit is a chess opening classified as ECO B10, reached after 1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5. 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 470 times by this move order. White won 53%, 4% were drawn and Black won 43%. The most popular continuation is 4… g6 (53% of games).
Engine evaluation: −0.64 (Stockfish, depth 46; best line 4… g6 5. Qh4 a5 6. Nc3 Bg7 7. Qxe4)
- ECO
- B10
- Moves
- 7 plies
- FEN
rnbqkbnr/pp2pppp/2p5/7Q/4p3/1B6/PPPP1PPP/RNB1K1NR b KQkq - 1 4- PGN
1. e4 c6 2. Bc4 d5 3. Bb3 dxe4 4. Qh5
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 95 | |
| 1500-1999 | 240 | |
| 2000+ | 135 | |
| All | 470 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 4… g6 | 247 (53%) | |
| 4… e6 | 172 (37%) | |
| 4… Nf6 | 34 (7%) | |
| 4… Nh6 | 12 (3%) | |
| 4… Be6 | 4 (1%) | |
| 4… c5 | 1 (0%) |
Master games
157 over-the-board games are classified under this line (White 35%, draw 15%, Black 50%). The strongest:
- Stockfish dev16_20221027 (3625) – LCZero 0.30-dag-9a9c42d_784968 (3599) 1/2-1/2 · TCEC 23 Superfinal 2022 · 2022-11-09
- LCZero 0.30-dag-9a9c42d_784968 (3599) – Stockfish dev16_20221027 (3625) 0-1 · TCEC 23 Superfinal 2022 · 2022-11-08
- GM Magnus Carlsen (2850) – GM Evgeny Tomashevsky (2758) 1-0 · World Blitz 2015 · 2015-10-14
- GM Magnus Carlsen (2835) – GM Maxime Vachier-Lagrave (2739) 0-1 · Titled Tue 25th Jul Late · 2023-07-25
- GM Magnus Carlsen (2830) – GM Luka Paichadze (2504) 1-0 · Titled Tue 2nd Apr Early · 2024-04-02
Search all games of the Caro-Kann Defense: Hillbilly Attack, Schaeffer Gambit and its sub-variations
Highest-rated Lichess games
- CM JoeAssaad (2659) – SackOnTheKing930 (2743) 1-0 · 2026-09-02 · 180 + 0s
- CM JoeAssaad (2665) – Spiegelstufe (2647) 1/2-1/2 · 2026-09-02 · 180 + 0s
- CM JoeAssaad (2655) – BilBog123 (2654) 0-1 · 2026-09-02 · 180 + 0s
Comes from
Caro-Kann Defense: Hillbilly Attack 1. e4 c6 2. Bc4
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.