Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5
The Sicilian Defense: Scheveningen Variation, Delayed Keres Attack, Perenyi Gambit is a chess opening classified as ECO B90, reached after 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5. It is a line of the Sicilian Defense. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 2 times by this move order. White won 50%, 0% were drawn and Black won 50%. The most popular continuation is 9… gxf5 (100% of games).
Engine evaluation: 0.00 (Stockfish, depth 44; best line 9… gxf5 10. exf5 d5 11. Qf3 Ne4 12. Nxe4)
- ECO
- B90
- Moves
- 17 plies
- FEN
rnbqkb1r/1p3p1p/p2p1np1/4pNP1/4P3/2N1B3/PPP2P1P/R2QKB1R b KQkq - 0 9- PGN
1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4 e5 8. Nf5 g6 9. g5
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 2000+ | 2 | |
| All | 2 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 9… gxf5 | 2 (100%) |
Master games
64 over-the-board games are classified under this line (White 36%, draw 25%, Black 39%). The strongest:
- Stoofvlees II d9 (3541) – Reckless 0.10.0-dev-9057bc13 (3749) 1/2-1/2 · TCEC 29 Gambit Bonus 2026 · 2026-05-29
- Reckless 0.10.0-dev-9057bc13 (3749) – Stoofvlees II d9 (3541) 1/2-1/2 · TCEC 29 Gambit Bonus 2026 · 2026-05-29
- GM Sebastian Bogner (2577) – GM Peter Svidler (2714) 0-1 · Titled Tuesday 23rd Feb · 2021-02-23
- GM Andrew Hong (2604) – GM Etienne Bacrot (2619) 1-0 · TCh-ESP Div 1 2026 · 2026-09-01
- GM Samvel Ter-Sahakyan (2562) – GM Ivan Popov (2644) 1/2-1/2 · 6th Kolkata Open · 2013-12-14
Highest-rated Lichess games
- IM KAPUTVSEMU (2831) – tsnylsw (2768) 1-0 · 2026-09-07 · 180 + 0s
- GM Mrjoeyg (2402) – chessgrandfather1975 (2520) 0-1 · 2026-09-03 · 180 + 0s
Comes from
Sicilian Defense: Scheveningen Variation, Delayed Keres Attack 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. g4
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.