Sicilian Defense: Smith-Morra Gambit Accepted, Fianchetto Defense B21
B — Semi-open games · Family: Sicilian Defense · basic reference page
1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 g6
Start
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1. 2. 3. 4. 5.
- Position after 10 half-moves — White to move.
- Black holds a material edge worth 1 points.
- Family “Sicilian Defense” contains 391 recorded variation(s) here.
Variations tree of the Sicilian Defense family
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Variations of this family
| Name | ECO | Main line length |
|---|---|---|
| Sicilian Defense | B20 | 2 plies |
| Sicilian Defense: Amazon Attack | B20 | 3 plies |
| Sicilian Defense: Big Clamp Formation | B20 | 7 plies |
| Sicilian Defense: Bowdler Attack | B20 | 3 plies |
| Sicilian Defense: Brick Variation | B20 | 3 plies |
| Sicilian Defense: Czerniak Attack | B20 | 3 plies |
| Sicilian Defense: Czerniak Attack, Queen Fianchetto Variation | B20 | 4 plies |
| Sicilian Defense: Euwe Attack, Prins Gambit | B20 | 5 plies |
| Sicilian Defense: Gloria Variation | B20 | 8 plies |
| Sicilian Defense: Grob Variation | B20 | 3 plies |
| Sicilian Defense: Keres Variation | B20 | 3 plies |
| Sicilian Defense: King David's Opening | B20 | 3 plies |
Related puzzles
Lichess tactics played in this opening — solve them right on the board:
#DDnYM rating 2012
clearance, crushing, intermezzo, kingsideAttack, long, middlegame, sacrifice
Solve this puzzleRelated openings
Nearby ECO codes in the B — Semi-open games volume — compare the move orders: