Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation (11. Bb3 Qa5)
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Nxd4 10. Bxd4 Be6 11. Bb3 Qa5
The Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation is a chess opening classified as ECO B77, reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Nxd4 10. Bxd4 Be6 11. Bb3 Qa5. It is a line of the Sicilian Defense. White is to move.
This exact move order didn't appear in our sample of 12.6 million Lichess games: it's a rare line.
Engine evaluation: +0.34 (Stockfish, depth 51; best line 12. O-O-O b5 13. Kb1 b4 14. Bxe6 fxe6)
- ECO
- B77
- Moves
- 22 plies
- FEN
r4rk1/pp2ppbp/3pbnp1/q7/3BP3/1BN2P2/PPPQ2PP/R3K2R w KQ - 3 12- PGN
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Nxd4 10. Bxd4 Be6 11. Bb3 Qa5
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Master games
46 over-the-board games are classified under this line (White 39%, draw 26%, Black 35%). The strongest:
- GM Erigaisi Arjun (2778) – GM Rauf Mamedov (2637) 1-0 · 45th Olympiad 2024 · 2024-09-15
- GM M. Amin Tabatabaei (2624) – GM Mikheil Mchedlishvili (2571) 1/2-1/2 · 4th Sharjah Masters 2021 · 2021-09-21
- GM Dmitry Kokarev (2611) – GM Artyom Timofeev (2555) 1-0 · Russian Cup Final 2015 · 2015-12-07
- GM Artem Uskov (2498) – GM Ivan Zemlyanskii (2596) 0-1 · TCh-RUS Blitz 2025 · 2025-10-17
- GM Isan Reynaldo Ortiz Suarez (2612) – IM Shardul Gagare (2419) 0-1 · 36th Barbera Open · 2013-07-10
Comes from
Sicilian Defense: Dragon Variation, Yugoslav Attack, Czerniak Variation (10. Bxd4 Be6) 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 O-O 9. Bc4 Nxd4 10. Bxd4 Be6
More Sicilian Defense lines (all)
- Sicilian Defense (1. e4 c5) B20
- Sicilian Defense: Amazon Attack B20
- Sicilian Defense: Big Clamp Formation B20
- Sicilian Defense: Bowdler Attack B20
- Sicilian Defense: Brick Variation B20
- Sicilian Defense: Czerniak Attack B20
- Sicilian Defense: Czerniak Attack, Queen Fianchetto Variation B20
- Sicilian Defense: Euwe Attack, Prins Gambit B20
- Sicilian Defense: Gloria Variation B20
- Sicilian Defense: Grob Variation B20
- Sicilian Defense: Keres Variation B20
- Sicilian Defense: King David's Opening B20
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.