Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense (6. Bc4 g6)
1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 g6
The Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense is a chess opening classified as ECO B21, reached after 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 g6. It is a line of the Sicilian Defense. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 172 times by this move order. White won 53%, 3% were drawn and Black won 44%. The most popular continuation is 7. O-O (56% of games).
Engine evaluation: +0.25 (Stockfish, depth 50; best line 7. Qb3 e6 8. O-O Bd7 9. Be2 Nf6)
- ECO
- B21
- Moves
- 12 plies
- FEN
r1bqkbnr/pp2pp1p/2np2p1/8/2B1P3/2N2N2/PP3PPP/R1BQK2R w KQkq - 0 7- PGN
1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 d6 6. Bc4 g6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 18 | |
| 1500-1999 | 114 | |
| 2000+ | 40 | |
| All | 172 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 7. O-O | 97 (56%) | |
| 7. e5 | 32 (19%) | |
| 7. Qb3 | 10 (6%) | |
| 7. Qe2 | 7 (4%) | |
| 7. Ng5 | 6 (3%) | |
| 7. Bf4 | 6 (3%) | |
| 7. h3 | 4 (2%) | |
| 7. Be3 | 3 (2%) |
Master games
11 over-the-board games are classified under this line (White 55%, draw 18%, Black 27%). The strongest:
- FM Khazar Babazada (2409) – FM Batu Angun (2326) 1-0 · AZE-TUR U16 Team Battle · 2020-07-02
- FM Andrei Purygin (2309) – WFM Thai Ngoc Tuong Minh (1873) 1-0 · Titled Tue 6th Jan 2026 · 2026-01-06
- FM Artur Dilmukhametov (2276) – Alexander J Wang (1851) 0-1 · Titled Tue 12th Dec Late · 2023-12-12
- CM Christian Boehmer (2116) – Gabriel Scardanzan (1960) 1-0 · Bodensee Open 2024 · 2024-05-04
- Petr Zhdanov (1933) – WIM Jovana Srdanovic (2047) 1/2-1/2 · Silver Lake Open A 2023 · 2023-06-22
Highest-rated Lichess games
- Sockebome888 (2335) – mrszehra (2328) 1-0 · 2026-09-07 · 180 + 0s
- aathos (2305) – chancellor8 (2303) 1-0 · 2026-09-03 · 180 + 0s
- aathos (2305) – chancellor8 (2303) 0-1 · 2026-09-03 · 180 + 0s
Comes from
Sicilian Defense: Smith-Morra Gambit Accepted 1. e4 c5 2. d4 cxd4 3. c3 dxc3
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.