A43 — Benoni Defense: Old Benoni
Flank & English openings (A00–A99)
ECO A43 covers Benoni Defense: Old Benoni and related lines (Benoni Defense: Old Benoni, Benoni Defense: Benoni Gambit Accepted, Benoni Defense: Zilbermints-Benoni Gambit, Benoni Defense: Benoni Gambit, Schlenker Defense). Main line 1. d4 c5 with variations, statistics, and the best responses.
20 lines under A43
Benoni Defense: Old Benoni
1. d4 c5
Benoni Defense: Benoni Gambit Accepted
1. d4 c5 2. dxc5
Benoni Defense: Old Benoni
1. d4 c5 2. d5
Benoni Defense: Zilbermints-Benoni Gambit
1. d4 c5 2. b4
Benoni Defense: Benoni Gambit, Schlenker Defense
1. d4 c5 2. dxc5 Na6
Benoni Defense: Benoni-Indian Defense
1. d4 c5 2. d5 Nf6
Benoni Defense: Cormorant Gambit
1. d4 c5 2. dxc5 b6
Benoni Defense: Old Benoni
1. d4 c5 2. d5 d6
Benoni Defense: Old Benoni, Mujannah Formation
1. d4 c5 2. d5 f5
Benoni Defense: Snail Variation
1. d4 c5 2. d5 Na6
Benoni Defense: Benoni-Indian Defense, Kingside Move Order
1. d4 c5 2. d5 Nf6 3. Nf3
Benoni Defense: Benoni-Staunton Gambit
1. d4 c5 2. d5 f5 3. e4
Benoni Defense: French Benoni
1. e4 e6 2. d4 c5 3. d5
Benoni Defense: Zilbermints-Benoni Gambit
1. d4 c5 2. Nf3 cxd4 3. b4
Queen's Pawn Game: Liedmann Gambit
1. d4 c5 2. c4 cxd4 3. e3
Benoni Defense: Hawk Variation
1. d4 Nf6 2. Nf3 c5 3. d5 c4
Benoni Defense: Old Benoni, Schmid Variation
1. d4 c5 2. d5 d6 3. Nc3 g6
Benoni Defense: Woozle
1. d4 c5 2. d5 Nf6 3. Nc3 Qa5
Benoni Defense: Zilbermints-Benoni Gambit, Tamarkin Countergambit
1. d4 c5 2. Nf3 cxd4 3. b4 e5
Indian Defense: Pseudo-Benko
1. d4 Nf6 2. Nf3 c5 3. d5 b5