A02: Bird Opening
- Bird Opening
1. f4
- Bird Opening: Batavo-Polish Attack
1. f4 Nf6 2. Nf3 g6 3. b4
- Bird Opening: Double Duck Formation
1. f4 f5 2. d4 d5
- Bird Opening: From's Gambit
1. f4 e5
- Bird Opening: From's Gambit, Bahr Gambit
1. f4 e5 2. Nc3
- Bird Opening: From's Gambit, Langheld Gambit
1. f4 e5 2. fxe5 d6 3. exd6 Nf6
- Bird Opening: From's Gambit, Lasker Variation
1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5
- Bird Opening: From's Gambit, Lipke Variation
1. f4 e5 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 Nh6 5. d4
- Bird Opening: Hobbs Gambit
1. f4 g5
- Bird Opening: Hobbs-Zilbermints Gambit
1. f4 h6 2. Nf3 g5
- Bird Opening: Horsefly Defense
1. f4 Nh6
- Bird Opening: Lasker Gambit
1. f4 e5 2. fxe5 f6
- Bird Opening: Mujannah
1. f4 Nf6 2. c4
- Bird Opening: Myers Defense
1. f4 b5
- Bird Opening: Platz Gambit
1. f4 e5 2. fxe5 Ne7
- Bird Opening: Schlechter Gambit
1. f4 e5 2. fxe5 Nc6
- Bird Opening: Siegener Gambit
1. f4 e5 2. d4 exd4 3. Nf3 c5 4. c3
- Bird Opening: Swiss Gambit
1. f4 f5 2. e4 fxe4 3. Nc3 Nf6 4. g4
- Bird Opening: Wagner-Zwitersch Gambit
1. f4 f5 2. e4