ECO family guide

Benko Gambit — all variations and ECO codes

8 named lines across 3 ECO codes (A57–A59). Source: the CC0-licensed lichess.org opening database.

The main line

Position after 1.d4 Nf6 2.c4 c5 3.d5 b5 (A57). Open this line on Lichess → · Benko Gambit on Lichess

How the main line scores at your rating

Real Lichess win rates for 1.d4 Nf6 2.c4 c5 3.d5 b5, playing as black — the family's other variations are not separately tracked for win rate yet, main line only.

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Win/draw/loss rate by rating band
Rating band	Games	White / draw / Black	Score for black
1400-1600	163,519	45.4% / 3.0% / 51.6%	53.1%
1600-1800	537,472	43.0% / 3.8% / 53.3%	55.2%
1800-2000	1,209,236	42.3% / 4.7% / 52.9%	55.3%
2000+	2,445,250	45.5% / 6.4% / 48.1%	51.3%

All 8 named variations

Every named line in the Benko Gambit family, from the CC0-licensed ECO classification — not separately tracked for win rate, but every ECO code and move sequence is real, sourced data.

A57Benko Gambit (main line) — 1.d4 Nf6 2.c4 c5 3.d5 b5
A59Benko Gambit (main line) — 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
A57Mutkin Countergambit — 1.d4 Nf6 2.c4 c5 3.d5 b5 4.g4
A57Nescafe Frappe Attack — 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 axb5 6.e4 b4 7.Nb5 d6 8.Bc4
A57Zaitsev System — 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3
Zaitsev Variation
- A57Nescafe Frappe Attack — 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.Nc3 axb5 6.e4 b4 7.Nb5
A58Fianchetto Variation — 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.Nf3 g6 8.g3
A58Nd2 Variation — 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.Nf3 g6 8.Nd2