Related Openings
Bird's Opening, Swiss gambit f4, f5, e4, fxe4, Nc3, Nf6, g4
Bird - From gambit, Lipke Variation f4, e5, fxe5, d6, exd6, Bxd6, Nf3, Nh6, d4
Bird - From gambit, Lasker Variation f4, e5, fxe5, d6, exd6, Bxd6, Nf3, g5
Bird - From gambit f4, e5