(A02) Polaca
1. f4 Nf6 2. b4
(A02) Polaca Batavo
1. f4 Nf6 2. b4 g6 3. Nf3
(A02) Horsefly
1. f4 Nh6
(A02) Hobbs
1. f4 g5
(A02) Wagner
1. f4 f5 2. e4
(A02) Wagner Suiza
1. f4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4
(A02) From
1. f4 e5
(A02) From Schlechter
1. f4 e5 2. fxe5 Nc6
(A02) From Lipke
1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 Nh6 5. d4
(A02) From Lasker
1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5