A02Bird's Opening
1.f4
A02Bird's Opening
From Gambit
1.f4 e5
A02Bird's Opening
From Gambit, Lasker Variation
1.f4 e5 2.fxe5 d6 3.exd6 Bxd6 4.Nf3 g5
A02Bird's Opening
From Gambit, Lipke Variation
1.f4 e5 2.fxe5 d6 3.exd6 Bxd6 4.Nf3 Nh6 5.d4
A02Bird's Opening
Swiss Gambit
1.f4 f5 2.e4 fxe4 3.Nc3 Nf6 4.g4
A02Bird's Opening
Hobbs Gambit
1.f4 g5