Tree path 6 levels King's Pawn Game › Sicilian Defense › Sicilian Defense › Old Sicilian › Sicilian Defense: Nyezhmetdinov-Rossolimo Attack › San Francisco Gambit
- Chess Codex
- King's Pawn Game B00
- Sicilian Defense B20
- Sicilian Defense B27
- Old Sicilian B30
- Sicilian Defense: Nyezhmetdinov-Rossolimo Attack B30
- San Francisco Gambit B30 you are here
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, San Francisco Gambit
Overview
Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, San Francisco Gambit is a sacrificial opening line filed under ECO B30 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 7 plies — specifically the moves 1. e4 c5 2. Nf3 Nc6 3. Bb5 Na5 4. b4.
In the opening tree, this line branches off from Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, 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
- B30
- Group
- Semi-Open Games (B)
- Plies
- 7
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
1,557 games · White 41.9% / Draw 5.3% / Black 52.7%
| Moves | Games | W / D / B |
|---|---|---|
| cxb4 | 1,241 | |
| a6 | 312 | |
| c4 | 2 | |
| Qb6 | 1 | |
| Nc4 | 1 |
Source: Lichess Opening Explorer · cached 2026-09-26 01:35:42
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Submissions are reviewed before publishing.