Caissa Codex
A58

Benko Gambit: Fianchetto Variation

Chess diagram: Benko Gambit: Fianchetto Variation after 8. g3

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

74,658 games: White 43.1% / Draw 5.9% / Black 51.0%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
70,67071K
3,5343,534
204204
108108
4242
3131
1717
1717

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 31, 2026

Engine evaluation

+0.58 White is slightly better

Best play: 8... Bg7 9. Bg2 Nbd7 10. Rb1 O-O 11. O-O Qa5 12. Bd2 Rfb8 13. h3

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Benko Gambit: Fianchetto Variation (ECO A58, Flank Openings) is a gambit in the Benko Gambit Accepted: Fully Accepted Variation, reached after 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3 (8 moves).

In 74,658 rated Lichess games between players rated 1600 to 2500, White won 43.1%, Black 51.0% and 5.9% were drawn. Black's most played move here is 8…Bg7, in 95% of those games.

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Other lines from the same position

Instead of 5…Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3, the position after Benko Gambit Accepted: Fully Accepted Variation also goes on to:

Cite this page

Caissa Codex. “Benko Gambit: Fianchetto Variation (A58)”. Lichess data as of 31 Oct 2026. https://chesscodex.org/openings/benko-gambit-fianchetto-variation

https://chesscodex.org/openings/benko-gambit-fianchetto-variation