Queen's pawn game (A??)
d4 Nf6 c4
d4 Nf6 c4
| Benoni defence (A56) c5 | Nc6 Kevitz-Trajkovich defence (A??) |
| Budapest defence declined (A51) e5 | b6 Queen's Indian accelerated (A50) |
| Kevitz-Trajkovich defence (A??) Nc6 | c5 Benoni defence (A56) |
| King's Indian defence (E60) g6 | d6 Old Indian defence (A53) |
| Old Indian defence (A53) d6 | e5 Budapest defence declined (A51) |
| Queen's Indian accelerated (A50) b6 | e6 Queen's pawn game (E00) |
| Queen's pawn game (E00) e6 | g6 King's Indian defence (E60) |