Sicilian Defense: Najdorf Variation, Zagreb Variation

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3

Sicilian Defense: Najdorf Variation, Zagreb Variation after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 87654321abcdefgh

The Sicilian Defense: Najdorf Variation, Zagreb Variation is a chess opening classified as ECO B91, reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3. 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 494 times by this move order. White won 48%, 8% were drawn and Black won 44%. The most popular continuation is 6… e5 (54% of games).

Engine evaluation: +0.08 (Stockfish, depth 55; best line 6… e5 7. Nde2 Be7 8. Bg2 O-O 9. a4)

ECO
B91
Moves
11 plies
FEN
rnbqkb1r/1p2pppp/p2p1n2/8/3NP3/2N3P1/PPP2P1P/R1BQKB1R b KQkq - 0 6
PGN
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3

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

Results by rating

Average ratingGamesWhite / draw / Black
0-14991747%47%
1500-199916340%53%
2000+31452%39%
All49448%44%

Most played moves

MoveGamesWhite / draw / Black
6… e5268 (54%)49%42%
6… e695 (19%)48%45%
6… g657 (12%)42%51%
6… b528 (6%)64%29%
6… Nc624 (5%)38%54%
6… h58 (2%)13%88%
6… Nbd75 (1%)60%40%
6… Qc74 (1%)75%25%

Master games

3,510 over-the-board games are classified under this line (White 40%, draw 26%, Black 34%). The strongest:

Search all games of the Sicilian Defense: Najdorf Variation, Zagreb Variation and its sub-variations

Highest-rated Lichess games

Comes from

Sicilian Defense: Najdorf Variation (5. Nc3 a6) 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 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.