This is a collection of less common variations of the Bird's Opening. The collection includes over 500 games with over 500 chess diagrams. The openings include: Hobb's Gambit (1.f4 g5), Hobbs-Zilbermint's Gambit (1.f4 h6), Horsefly (1.f4 Nh6), William's Gambit (1.f4 d5 2.e4), Wagner-Zwitersch Gambit (Swiss Gambit) (1.f4 f5 2.e4), Sturm Gambit (1.f4 d5 2.c4), Meyer Defense (1.f4 b5), Pawn Thrust Attack (1.f4 Nf6 2.b4), Batavo-Polish Attack (1.f4 Nf6 2.Nf3 g6 3.b4), and more.
This hypermodern, flank opening is only the sixth likely start to a chess game with the games shown here to be even less likely to be seen in tournament play. It is this rarity of use that make any of these variations a surprise option in any players arsenal.