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
The King's Indian Defense: Orthodox Variation, Bayonet Attack 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. It is a line of the King's Indian Defense. Black is to move. 2 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 106 times by this move order. White won 50%, 8% were drawn and Black won 42%. The most popular continuation is 9… a5 (25% of games).
Engine evaluation: +0.52 (Stockfish, depth 60; best line 9… a5 10. bxa5 Rxa5 11. a4 Ra8 12. Be3)
- ECO
- E97
- Moves
- 17 plies
- FEN
r1bq1rk1/ppp1npbp/3p1np1/3Pp3/1PP1P3/2N2N2/P3BPPP/R1BQ1RK1 b - - 0 9- 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
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 3 | |
| 1500-1999 | 22 | |
| 2000+ | 81 | |
| All | 106 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 9… a5 | 27 (25%) | |
| 9… Nh5 | 25 (24%) | |
| 9… Ne8 | 25 (24%) | |
| 9… Nd7 | 24 (23%) | |
| 9… b6 | 2 (2%) | |
| 9… c6 | 2 (2%) | |
| 9… a6 | 1 (1%) |
Master games
1,186 over-the-board games are classified under this line (White 49%, draw 24%, Black 27%). The strongest:
- LCZero 0.31-dag-5350a2e-BT4-61 (3631) – Stockfish dev-20240728-2343f71 (3662) 1/2-1/2 · TCEC 26 Balanced Lines · 2024-08-03
- Stockfish dev-20240728-2343f71 (3662) – LCZero 0.31-dag-5350a2e-BT4-61 (3631) 1/2-1/2 · TCEC 26 Balanced Lines · 2024-08-03
- KomodoDragon 3.2 (3569) – Stockfish dev-20230308-39da50e (3607) 1/2-1/2 · TCEC 24 Premier P/O 2023 · 2023-04-08
- Stockfish dev-20230308-39da50e (3607) – KomodoDragon 3.2 (3569) 1-0 · TCEC 24 Premier P/O 2023 · 2023-04-07
- KomodoDragon 2970.00 (3568) – rofChade 3.0 (3486) 1-0 · TCEC 23 Premier 2022 · 2022-09-30
Highest-rated Lichess games
- FM Crew12 (2698) – contrapunctus_XI (2659) 1-0 · 2026-09-04 · 180 + 0s
- land12345 (2607) – Lightning_Lynx (2544) 0-1 · 2026-09-06 · 180 + 2s
- Akula_Krakula (2621) – Sawa-169 (2528) 1-0 · 2026-09-07 · 180 + 2s
Comes from
King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6
Continuations
- King's Indian Defense: Orthodox Variation, Bayonet Attack, Sokolov's Line E97 · 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
- King's Indian Defense: Orthodox Variation, Bayonet Attack, Yepishin's Line E97 · 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. Qc2
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.