Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense (4… d6 5. Nf3 g6)
1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 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 d6 5. Nf3 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 120 times by this move order. White won 49%, 3% were drawn and Black won 48%. The most popular continuation is 6. Bc4 (91% of games).
Engine evaluation: +0.22 (Stockfish, depth 50; best line 6. Bc4 Nc6 7. Qb3 e6 8. O-O Bd7)
- ECO
- B21
- Moves
- 10 plies
- FEN
rnbqkbnr/pp2pp1p/3p2p1/8/4P3/2N2N2/PP3PPP/R1BQKB1R w KQkq - 0 6- PGN
1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 d6 5. Nf3 g6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 13 | |
| 1500-1999 | 72 | |
| 2000+ | 35 | |
| All | 120 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 6. Bc4 | 109 (91%) | |
| 6. Qb3 | 2 (2%) | |
| 6. e5 | 2 (2%) | |
| 6. Qd4 | 2 (2%) | |
| 6. h4 | 1 (1%) | |
| 6. Bf4 | 1 (1%) | |
| 6. h3 | 1 (1%) | |
| 6. Bd3 | 1 (1%) |
Master games
7 over-the-board games are classified under this line (White 71%, draw 0%, Black 29%). The strongest:
- FM Ariel Pulido Alvarez (2337) – WIM Anna Jakubowska (2139) 1-0 · Titled Tue 6th Feb Early · 2024-02-06
- CM Volen Dyulgerov (2181) – FM Sakithyan Yoganathan (2214) 1-0 · Titled Tue 31st Mar 2026 · 2026-03-31
- Paul Y Iinuma (2006) – IM Wilfredo Sariego Figueredo (2318) 1-0 · Titled Tue 29th Nov Late · 2022-11-29
- FM Ivan Kuhlmann Nogueira (2224) – Argemiro Braga Guara Neto (2057) 1-0 · 7th Floripa Open 2021 · 2021-01-21
- Tallulah Roberts (1488) – WIM Anastasia Travkina (2202) 0-1 · Titled Tue 30th Jan Early · 2024-01-30
Highest-rated Lichess games
- Aribaustreet (2322) – Sergey_tass (2315) 1-0 · 2026-09-05 · 180 + 2s
- secretcat247 (2289) – brahim321654 (2251) 1/2-1/2 · 2026-09-03 · 180 + 0s
- donkeyhope (2212) – HoPefUl_777 (2308) 0-1 · 2026-09-06 · 300 + 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.