B77

Sicilian Defense: King Tuck

 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. exd5 a5 16. a3 Kg8

Opening moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 O-O 8. Qd2 Nc6 9. Bc4 Bd7 10. O-O-O Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. exd5 a5 16. a3 Kg8. This position is classified under ECO code B77.

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About This Opening

ECO Code

B77

Category Volume B

Opening Family

Sicilian Defense

Position (FEN)

2rq1rk1/3bpp1p/3p2p1/pp1P4/8/PB3P2/1PPQ2PP/2KR3R w - - 1 17

Lichess Stats

Across 10 rapid and classical games on Lichess (1600+ rated), White wins 30%, Black wins 40%, and 30% end in a draw from this position. The most common continuation is Rhe1, played in 50% of games, followed by h4 and Kb1.

Observation period: 2026-07.

Small sample: 10 games. These percentages are descriptive and are too uncertain to compare opening strength.

30%

40%

White wins 30% Draws 30% Black wins 40%

10 rapid and classical games on Lichess (1600+)

Top Continuations

Rhe1

Kb1

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