Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b5 5. d4 cxd4 6. Nxd4

Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation after 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b5 5. d4 cxd4 6. Nxd4 87654321abcdefgh

The Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation is a chess opening classified as ECO B40, reached after 1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b5 5. d4 cxd4 6. Nxd4. It is a line of the Sicilian Defense. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 2 times by this move order. White won 50%, 0% were drawn and Black won 50%. The most popular continuation is 6… Nf6 (50% of games).

Engine evaluation: +0.26 (Stockfish, depth 30; best line 6… Bb7 7. Bg2 Nf6 8. a3 Qc7 9. O-O)

ECO
B40
Moves
11 plies
FEN
rnbqkbnr/3p1ppp/p3p3/1p6/3NP3/2N3P1/PPP2P1P/R1BQKB1R b KQkq - 0 6
PGN
1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. g3 b5 5. d4 cxd4 6. Nxd4

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

Results by rating

Average ratingGamesWhite / draw / Black
2000+250%50%
All250%50%

Most played moves

MoveGamesWhite / draw / Black
6… Nf61 (50%)100%
6… Bb71 (50%)100%

Master games

55 over-the-board games are classified under this line (White 51%, draw 24%, Black 25%). The strongest:

Search all games of the Sicilian Defense: Kan Variation, Wing Attack, Fianchetto Variation and its sub-variations

Highest-rated Lichess games

Comes from

Sicilian Defense: French Variation 1. e4 c5 2. Nf3 e6

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.