Tree path 14 levels King's Pawn Game › Sicilian Defense › Sicilian Defense › Modern Variations › Sicilian Defense › Sicilian Defense › Modern Variations, Main Line › Sicilian Defense: Najdorf Variation › Sicilian Defense: Najdorf Variation › Sicilian Defense: Najdorf Variation › Sicilian Defense: Najdorf Variation › Sicilian Defense: Najdorf Variation › Traditional Line › Sicilian Defense: Najdorf Variation, Main Line
- Caissa Codex
- King's Pawn Game B00
- Sicilian Defense B20
- Sicilian Defense B27
- Modern Variations B50
- Sicilian Defense B50
- Sicilian Defense B50
- Modern Variations, Main Line B54
- Sicilian Defense: Najdorf Variation B90
- Sicilian Defense: Najdorf Variation B94
- Sicilian Defense: Najdorf Variation B95
- Sicilian Defense: Najdorf Variation B96
- Sicilian Defense: Najdorf Variation B98
- Traditional Line B98
- Sicilian Defense: Najdorf Variation, Main Line B99 you are here
Sicilian Defense: Najdorf Variation, Main Line
Overview
Sicilian Defense: Najdorf Variation, Main Line is a named branch in the Semi-Open Games group of chess theory, classified under ECO B99.
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 18 plies — specifically the moves 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Qc7 9. O-O-O Nbd7.
In the opening tree, this line branches off from Sicilian Defense: Najdorf Variation, Traditional Line, 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
- B99
- Group
- Semi-Open Games (B)
- Plies
- 18
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
347,417 games · White 51.8% / Draw 4.6% / Black 43.6%
| Moves | Games | W / D / B |
|---|---|---|
| g4 | 198,189 | |
| Bd3 | 93,241 | |
| Kb1 | 19,067 | |
| Be2 | 12,765 | |
| f5 | 6,949 | |
| Qg3 | 3,691 | |
| Bxf6 | 2,997 | |
| h4 | 2,081 |
Source: Lichess Opening Explorer · cached 2026-09-26 03:19:23
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