B70

Sicilian Defense: Central Thrust

 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 O-O 8. Qd2 Nc6 9. f3 d5 10. Nxc6 bxc6 11. e5 Nd7 12. f4 e6

Opening moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 O-O 8. Qd2 Nc6 9. f3 d5 10. Nxc6 bxc6 11. e5 Nd7 12. f4 e6. This position is classified under ECO code B70.

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About This Opening

ECO Code

B70

Category Volume B

Opening Family

Sicilian Defense

Position (FEN)

r1bq1rk1/p2n1pbp/2p1p1p1/3pP3/5P2/2N1B3/PPPQB1PP/R3K2R w KQ - 0 13

Lichess Stats

Across 12 rapid and classical games on Lichess (1600+ rated), White wins 42%, Black wins 50%, and 8% end in a draw from this position. The most common continuation is O-O-O, played in 33% of games, followed by h4 and Na4.

Observation period: 2026-07.

Small sample: 12 games. These percentages are descriptive and are too uncertain to compare opening strength.

42%

50%

White wins 42% Draws 8% Black wins 50%

12 rapid and classical games on Lichess (1600+)

Top Continuations

O-O-O

Na4

O-O

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