Sicilian Defense: Moscow Variation, Sokolsky Variation

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4

Sicilian Defense: Moscow Variation, Sokolsky Variation after 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4 87654321abcdefgh

The Sicilian Defense: Moscow Variation, Sokolsky Variation is a chess opening classified as ECO B52, reached after 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4. 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 419 times by this move order. White won 52%, 9% were drawn and Black won 39%. The most popular continuation is 5… Nc6 (59% of games).

Engine evaluation: +0.11 (Stockfish, depth 49; best line 5… e5 6. d3 Nc6 7. Nc3 Be7 8. O-O)

ECO
B52
Moves
9 plies
FEN
rn2kbnr/pp1qpppp/3p4/2p5/2P1P3/5N2/PP1P1PPP/RNBQK2R b KQkq - 0 5
PGN
1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. c4

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

Results by rating

Average ratingGamesWhite / draw / Black
0-1499863%38%
1500-199912550%42%
2000+28653%38%
All41952%39%

Most played moves

MoveGamesWhite / draw / Black
5… Nc6246 (59%)54%37%
5… Nf688 (21%)51%41%
5… e533 (8%)45%45%
5… g629 (7%)45%55%
5… e613 (3%)62%15%23%
5… Qg46 (1%)67%33%
5… b53 (1%)33%34%33%
5… a61 (0%)100%

Master games

4,264 over-the-board games are classified under this line (White 42%, draw 31%, Black 27%). The strongest:

Search all games of the Sicilian Defense: Moscow Variation, Sokolsky Variation and its sub-variations

Highest-rated Lichess games

Comes from

Sicilian Defense: Moscow Variation, Main Line 1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7

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.