Sicilian Defense: O'Kelly Variation, Wing Gambit

1. e4 c5 2. Nf3 a6 3. b4

Sicilian Defense: O'Kelly Variation, Wing Gambit after 1. e4 c5 2. Nf3 a6 3. b4 87654321abcdefgh

The Sicilian Defense: O'Kelly Variation, Wing Gambit is a chess opening classified as ECO B28, reached after 1. e4 c5 2. Nf3 a6 3. b4. 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 83 times by this move order. White won 47%, 2% were drawn and Black won 51%. The most popular continuation is 3… cxb4 (67% of games).

Engine evaluation: −0.29 (Stockfish, depth 52; best line 3… cxb4 4. d4 e6 5. c4 d5 6. Nbd2)

ECO
B28
Moves
5 plies
FEN
rnbqkbnr/1p1ppppp/p7/2p5/1P2P3/5N2/P1PP1PPP/RNBQKB1R b KQkq - 0 3
PGN
1. e4 c5 2. Nf3 a6 3. b4

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

Results by rating

Average ratingGamesWhite / draw / Black
0-1499560%40%
1500-19994053%45%
2000+3839%58%
All8347%51%

Most played moves

MoveGamesWhite / draw / Black
3… cxb456 (67%)45%54%
3… e615 (18%)53%40%
3… b65 (6%)80%20%
3… c43 (4%)67%33%
3… Qc71 (1%)100%
3… e51 (1%)100%
3… d51 (1%)100%
3… b51 (1%)100%

Master games

74 over-the-board games are classified under this line (White 47%, draw 7%, Black 46%). The strongest:

Search all games of the Sicilian Defense: O'Kelly Variation, Wing Gambit and its sub-variations

Highest-rated Lichess games

Comes from

Sicilian Defense: O'Kelly Variation 1. e4 c5 2. Nf3 a6

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.