Sicilian Defense: Closed, Botvinnik Defense, with f4

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5

Sicilian Defense: Closed, Botvinnik Defense, with f4 after 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 87654321abcdefgh

The Sicilian Defense: Closed, Botvinnik Defense, with f4 is a chess opening classified as ECO B25, reached after 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5. It is a line of the Sicilian Defense. White is to move. 1 named line continues from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 19 times by this move order. White won 47%, 6% were drawn and Black won 47%. The most popular continuation is 7. Nf3 (68% of games).

Engine evaluation: +0.14 (Stockfish, depth 37; best line 7. Nf3 Nge7 8. O-O exf4 9. Bxf4 O-O)

ECO
B25
Moves
12 plies
FEN
r1bqk1nr/pp3pbp/2np2p1/2p1p3/4PP2/2NP2P1/PPP3BP/R1BQK1NR w KQkq - 0 7
PGN
1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
1500-1999560%40%
2000+1443%50%
All1947%47%

Most played moves

MoveGamesWhite / draw / Black
7. Nf313 (68%)62%31%
7. Nh33 (16%)33%67%
7. Nge21 (5%)100%
7. h31 (5%)100%
7. Nd51 (5%)100%

Master games

79 over-the-board games are classified under this line (White 42%, draw 14%, Black 44%). The strongest:

Search all games of the Sicilian Defense: Closed, Botvinnik Defense, with f4 and its sub-variations

Highest-rated Lichess games

Comes from

Sicilian Defense: Closed (5… d6 6. f4) 1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4

Continuations

More Sicilian Defense lines (all)

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.