Benoni Defense: King's Indian System
1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6
The Benoni Defense: King's Indian System is a chess opening classified as ECO A56, reached after 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6. It is a line of the Benoni Defense. White is to move.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 60 times by this move order. White won 47%, 5% were drawn and Black won 48%. The most popular continuation is 6. f4 (20% of games).
Engine evaluation: +1.05 (Stockfish, depth 46; best line 6. h3 Na6 7. Bd3 Bg7 8. Nge2 Bd7)
- ECO
- A56
- Moves
- 10 plies
- FEN
rnbqkb1r/pp3p1p/3p1np1/2pPp3/2P1P3/2N5/PP3PPP/R1BQKBNR w KQkq - 0 6- PGN
1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 1 | |
| 1500-1999 | 23 | |
| 2000+ | 36 | |
| All | 60 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 6. f4 | 12 (20%) | |
| 6. Be2 | 12 (20%) | |
| 6. Nf3 | 10 (17%) | |
| 6. Bd3 | 9 (15%) | |
| 6. h3 | 6 (10%) | |
| 6. Bg5 | 3 (5%) | |
| 6. Nge2 | 3 (5%) | |
| 6. g3 | 2 (3%) |
Master games
221 over-the-board games are classified under this line (White 41%, draw 24%, Black 35%). The strongest:
- LCZero 0.33-dev-f6ec55c-BT4-6147500-it332 (3749) – Integral 7.0.0-dev-453c1dc4 (3735) 1-0 · TCEC 29 Premier 2026 · 2026-03-17
- Integral 7.0.0-dev-453c1dc4 (3735) – LCZero 0.33-dev-f6ec55c-BT4-6147500-it332 (3749) 1-0 · TCEC 29 Premier 2026 · 2026-03-14
- Berserk dev10_20220912 (3509) – LCZero 0.30-dag-bord-lf_784968 (3589) 1/2-1/2 · TCEC 23 Premier 2022 · 2022-09-30
- LCZero 0.30-dag-bord-lf_784968 (3589) – Berserk dev10_20220912 (3509) 1-0 · TCEC 23 Premier 2022 · 2022-09-30
- KomodoDragon3.3 (3592) – StoofvleesII d2 (3479) 1-0 · TCEC 26 Premier 2024 · 2024-05-04
Search all games of the Benoni Defense: King's Indian System and its sub-variations
Highest-rated Lichess games
- NikitaDobrinic (2483) – GM rhungaski (2624) 1-0 · 2026-09-01 · 180 + 2s
- Infinity050505 (2483) – GM rhungaski (2602) 1-0 · 2026-09-03 · 180 + 2s
- Sombralos (2474) – IM Arrowlimit (2546) 1/2-1/2 · 2026-09-06 · 180 + 0s
Comes from
Benoni Defense: Czech Benoni Defense 1. d4 Nf6 2. c4 c5 3. d5 e5
More Benoni Defense lines (all)
- Benoni Defense: Franco-Sicilian Hybrid A40
- Benoni Defense: Benoni Gambit Accepted A43
- Benoni Defense: Benoni Gambit, Schlenker Defense A43
- Benoni Defense: Benoni-Indian Defense A43
- Benoni Defense: Benoni-Indian Defense, Kingside Move Order A43
- Benoni Defense: Benoni-Staunton Gambit A43
- Benoni Defense: Cormorant Gambit A43
- Benoni Defense: French Benoni A43
- Benoni Defense: Hawk Variation A43
- Benoni Defense: Old Benoni (1. d4 c5) A43
- Benoni Defense: Old Benoni (1… c5 2. d5) A43
- Benoni Defense: Old Benoni (2. d5 d6) A43
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.