Sicilian Defense: Closed (5… d6 6. f4)

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

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

The Sicilian Defense: Closed 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. It is a line of the Sicilian Defense. Black is to move. 1 named line continues from this position.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 213 times by this move order. White won 54%, 7% were drawn and Black won 39%. The most popular continuation is 6… e6 (42% of games).

Engine evaluation: −0.13 (Stockfish, depth 48; best line 6… Rb8 7. a4 e6 8. Nf3 Nge7 9. h4)

ECO
B25
Moves
11 plies
FEN
r1bqk1nr/pp2ppbp/2np2p1/2p5/4PP2/2NP2P1/PPP3BP/R1BQK1NR b KQkq - 0 6
PGN
1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4

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

Results by rating

Average ratingGamesWhite / draw / Black
1500-19995749%49%
2000+15656%36%
All21354%39%

Most played moves

MoveGamesWhite / draw / Black
6… e689 (42%)47%42%
6… Nf669 (32%)58%39%
6… e5
Closed, Botvinnik Defense, with f4
19 (9%)47%47%
6… Rb811 (5%)64%27%
6… Bd75 (2%)40%60%
6… h54 (2%)100%
6… a64 (2%)50%50%
6… Nd44 (2%)75%25%

Master games

911 over-the-board games are classified under this line (White 31%, draw 23%, Black 46%). The strongest:

Search all games of the Sicilian Defense: Closed and its sub-variations

Highest-rated Lichess games

Comes from

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

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.