King's Indian Defense: Orthodox Variation, Bayonet Attack, Sokolov's Line
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1
The King's Indian Defense: Orthodox Variation, Bayonet Attack, Sokolov's Line is a chess opening classified as ECO E97, reached after 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1. It is a line of the King's Indian Defense. Black is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 16 times by this move order. White won 50%, 6% were drawn and Black won 44%. The most popular continuation is 10… f5 (69% of games).
Engine evaluation: +0.57 (Stockfish, depth 46; best line 10… a5 11. bxa5 Rxa5 12. a4 f5 13. exf5)
- ECO
- E97
- Moves
- 19 plies
- FEN
r1bq1rk1/ppp1npbp/3p2p1/3Pp2n/1PP1P3/2N2N2/P3BPPP/R1BQR1K1 b - - 2 10- PGN
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 Nh5 10. Re1
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 1500-1999 | 1 | |
| 2000+ | 15 | |
| All | 16 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 10… f5 | 11 (69%) | |
| 10… Nf4 | 2 (13%) | |
| 10… a5 | 2 (13%) | |
| 10… h6 | 1 (6%) |
Master games
288 over-the-board games are classified under this line (White 50%, draw 27%, Black 23%). The strongest:
- LCZero 0.30-dag-9a9c42d_784968 (3599) – Stockfish dev16_20221027 (3625) 1/2-1/2 · TCEC 23 Superfinal 2022 · 2022-11-14
- Stockfish dev16_20221027 (3625) – LCZero 0.30-dag-9a9c42d_784968 (3599) 1-0 · TCEC 23 Superfinal 2022 · 2022-11-14
- LCZero 0.31-dag-4167c1e-BT4-6147500-it332 (3648) – Ethereal 14.40 (3545) 1-0 · TCEC 27 Premier 2024 · 2024-11-28
- Ethereal 14.40 (3545) – LCZero 0.31-dag-4167c1e-BT4-6147500-it332 (3648) 1/2-1/2 · TCEC 27 Premier 2024 · 2024-11-26
- KomodoDragon3.3 (3592) – Seer2.8.0 (3499) 1-0 · TCEC 26 Premier 2024 · 2024-04-26
Highest-rated Lichess games
- land12345 (2607) – Lightning_Lynx (2544) 0-1 · 2026-09-06 · 180 + 2s
- Akula_Krakula (2629) – Sawa-169 (2519) 1-0 · 2026-09-07 · 180 + 2s
- Akula_Krakula (2621) – Sawa-169 (2528) 1-0 · 2026-09-07 · 180 + 2s
Comes from
King's Indian Defense: Orthodox Variation, Bayonet Attack 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4
More King's Indian Defense lines (all)
- King's Indian Defense: Fianchetto Variation E60
- King's Indian Defense: Fianchetto Variation, Immediate Fianchetto E60
- King's Indian Defense: Normal Variation, King's Knight Variation E60
- King's Indian Defense: Santasiere Variation E60
- King's Indian Defense: Semi-Classical Variation, Benoni Variation E60
- King's Indian Defense: Semi-Classical Variation, Hollywood Variation E60
- King's Indian Defense E61
- King's Indian Defense: Fianchetto Variation, Benjamin Defense E61
- King's Indian Defense: Semi-Classical Variation E61
- King's Indian Defense: Semi-Classical Variation, Exchange Variation E61
- King's Indian Defense: Semi-Classical Variation, Queenside Storm Line E61
- King's Indian Defense: Smyslov Variation E61
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.