(A01) Polish
1. b3 b5
(A01) Dutch
1. b3 f5
(A01) Dutch Ringelbach
1. b3 f5 2. Bb2 e6 3. e4
(A01) Classical
1. b3 d5
(A01) Indian
1. b3 Nf6
(A01) Indian Spike
1. b3 Nf6 2. Bb2 g6 3. g4
(A01) Modern
1. b3 e5
(A01) Modern Pachmann
1. b3 e5 2. Bb2 Nc6 3. f4
(A01) English
1. b3 c5
(A01) Symmetrical
1. b3 b6