'Unusual Birds: Bird's Opening: Unusual & seldom played variations that start with 1.f4'
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),