ECO A58

ECO A00–A99 — Flank openings: 1.c4, 1.Nf3, 1.f4 and other first moves, plus early Indian and Benoni systems.

5 named opening lines are classified under ECO code A58.

• Benko Gambit Accepted: Central Storming Variation — 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 g6 6.Nc3 Bxa6 7.f4
• Benko Gambit Accepted: Fianchetto Variation — 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: Fully Accepted Variation — 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6
• Benko Gambit: Fianchetto Variation — 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 — 1.d4 Nf6 2.c4 c5 3.d5 b5 4.cxb5 a6 5.bxa6 Bxa6 6.Nc3 d6 7.Nf3 g6 8.Nd2