Tree path 7 levels King's Pawn Game › Sicilian Defense › Smith-Morra Gambit › Sicilian Defense: Smith-Morra Gambit › Sicilian Defense: Smith-Morra Gambit Accepted › Siberian Variation › Siberian Trap
Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation, Siberian Trap
Overview
Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation, Siberian Trap is a sacrificial opening line filed under ECO B21 in the Semi-Open Games group. The defining idea is the early concession of material to seize the initiative and unbalance the position.
The Semi-Open Games group covers semi-open games — replies to 1.e4 where Black declines the symmetrical 1…e5 in favour of an asymmetric pawn structure.
The line arises from 16 plies — specifically the moves 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. Qe2 Nf6 8. O-O Ng4.
In the opening tree, this line branches off from Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation, part of the broader King's Pawn Game system.
Use the board to walk through every move, check how the position has scored on Lichess, or take it head-to-head against Stockfish.
- ECO code
- B21
- Group
- Semi-Open Games (B)
- Plies
- 16
This overview is generated automatically from the opening's metadata. Know this line well? Write a description — submissions are reviewed before publishing.
Statistics from Lichess
46,625 games · White 36.4% / Draw 3.4% / Black 60.1%
| Moves | Games | W / D / B |
|---|---|---|
| g3 | 11,264 | |
| Nb5 | 10,020 | |
| Rd1 | 9,437 | |
| h3 | 8,894 | |
| Be3 | 2,209 | |
| Nd5 | 2,183 | |
| e5 | 1,367 | |
| Bg5 | 455 |
Source: Lichess Opening Explorer · cached 2026-09-26 03:09:29
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