Benko Gambit Accepted: Fully Accepted Variation
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6
The Benko Gambit Accepted: Fully Accepted Variation is a chess opening classified as ECO A58, reached after 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6. It is a line of the Benko Gambit Accepted. Black is to move. 8 named lines continue from this position.
In 12.6 million rated Lichess games (blitz and slower), this position was reached 2,183 times by this move order. White won 45%, 6% were drawn and Black won 49%. The most popular continuation is 5… Bxa6 (55% of games).
Engine evaluation: +0.52 (Stockfish, depth 54; best line 5… e6 6. Nc3 exd5 7. Nxd5 Be7 8. Nxe7)
- ECO
- A58
- Moves
- 9 plies
- FEN
rnbqkb1r/3ppppp/P4n2/2pP4/8/8/PP2PPPP/RNBQKBNR b KQkq - 0 5- PGN
1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6
Analyse with Stockfish · Board image (SVG) · Open on Lichess
Results by rating
| Average rating | Games | White / draw / Black |
|---|---|---|
| 0-1499 | 20 | |
| 1500-1999 | 621 | |
| 2000+ | 1,542 | |
| All | 2,183 |
Most played moves
| Move | Games | White / draw / Black |
|---|---|---|
| 5… Bxa6 | 1,201 (55%) | |
| 5… g6 | 732 (34%) | |
| 5… e6 | 161 (7%) | |
| 5… d6 | 66 (3%) | |
| 5… Nxa6 | 16 (1%) | |
| 5… Qa5+ | 6 (0%) | |
| 5… Qb6 | 1 (0%) |
Master games
6,752 over-the-board games are classified under this line (White 43%, draw 22%, Black 35%). The strongest:
- KomodoMCTS 2503.05 (3809) – Komodo 2503.05 (3912) 1/2-1/2 · TCEC 20 Premier 2020 · 2020-03-19
- Komodo 2503.05 (3912) – KomodoMCTS 2503.05 (3809) 1/2-1/2 · TCEC 20 Premier 2020 · 2020-03-17
- Stockfish dev-20250118-8e3e22b (3683) – LCZero 0.31-dag-c93c6a8-BT4-61 (3652) 1/2-1/2 · TCEC 27 Theory Bonus · 2025-01-25
- LCZero 0.31-dag-c93c6a8-BT4-61 (3652) – Stockfish dev-20250118-8e3e22b (3683) 1/2-1/2 · TCEC 27 Theory Bonus · 2025-01-24
- Obsidian 14.06 (3555) – LCZero 0.31-dag-4167c1e-BT4-6147500-it332 (3648) 1/2-1/2 · TCEC 27 Premier 2024 · 2024-12-10
Search all games of the Benko Gambit Accepted: Fully Accepted Variation and its sub-variations
Highest-rated Lichess games
- TheRealGenghisKhan (2800) – Koblizek (2699) 0-1 · 2026-09-07 · 180 + 0s
- tractorchampion001 (2747) – reallylovezerk (2722) 1-0 · 2026-09-02 · 180 + 0s
- AyaSen77 (2767) – GM Ucitelot (2592) 1-0 · 2026-09-01 · 180 + 2s
Comes from
Benko Gambit Accepted 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6
Continuations
- Benko Gambit Accepted: Central Storming Variation A58 · 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. f4
- Benko Gambit Accepted: Yugoslav (6… d6 7. e4) A59 · 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4
- Benko Gambit: Fianchetto Variation A58 · 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3
- Benko Gambit: Nd2 Variation A58 · 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. Nd2
- Benko Gambit (8… d6 9. g3) A59 · 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. g3
- Benko Gambit Accepted: Fianchetto Variation A58 · 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 d6 8. Bg2 Bg7 9. Nf3
- Benko Gambit Accepted: Yugoslav (8… d6 9. Nge2) A59 · 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. e4 Bxf1 8. Kxf1 d6 9. Nge2
- Benko Gambit Accepted: King Walk Variation A59 · 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. Nf3 d6 8. e4 Bxf1 9. Kxf1 Bg7 10. g3 O-O 11. Kg2
More Benko Gambit Accepted lines (all)
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.