Visualiser : 12 24 Tous A00–A39 White first moves other than 1.e4, 1.d4 (14) A45-A46 Queen's pawn game 1. d4 Nf6 (2) B00–B19 1.e4 without 1...c5, 1...e6 or 1...e5 (8) B20-B99 1.e4 c5: Sicilian Defence (54) C00-C19 1. e4 e6 French defence (5) C20–C99 1.e4 e5: Open Game (33) D00–D69 1.d4 d5 Closed Game (19) D70–D99 1.d4 Nf6 2.c4 g6 with 3...d5: Grünfeld Defence (15) E00-E09 Catalan, closed 1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 (2) E10 1.d4 Nf6 2.c4 e6 3.Nf3 Irregular Indian (1) E16 Queen's Indian 1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Bb4+ Capablanca variation (1) E20-E59 Nimzo-Indian 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 (6) E60-E99 1. d4 Nf6 2. c4 g6 King's Indian defence (5)
