(B27) Katalimov
1. e4 c5 2. Nf3 b6
(B27) Althouse
1. e4 c5 2. Nf3 Qa5
(B27) Quinteros
1. e4 c5 2. Nf3 Qc7
(B27) Brussels
1. e4 c5 2. Nf3 f5
(B27) Hungarian
1. e4 c5 2. Nf3 g6
(B27) Hungarian (Pterodactyl)
1. e4 c5 2. Nf3 g6 3. d4 Bg7
(B27) Hungarian (Fred)
1. e4 c5 2. Nf3 g6 3. d4 f5
(B27) Hungarian (Maroczy)
1. e4 c5 2. Nf3 g6 3. c4
(B27) Hungarian (Acton)
1. e4 c5 2. Nf3 g6 3. c4 Bh6