(A17) Queen's Indian
1. c4 Nf6 2. Nc3 e6 3. Nf3 b6
(A17) Romanishin
1. c4 Nf6 2. Nc3 e6 3. Nf3 b6 4. e4 Bb7 5. Bd3
(A17) Nimzovich
1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4