Openings after 1. f4
27 ECO entries beginning with 1. f4.
- Bird Opening (A02)
- Bird Opening: Batavo-Polish Attack (A02)
- Bird Opening: Double Duck Formation (A02)
- Bird Opening: From's Gambit (A02)
- Bird Opening: From's Gambit, Bahr Gambit (A02)
- Bird Opening: From's Gambit, Langheld Gambit (A02)
- Bird Opening: From's Gambit, Lasker Variation (A02)
- Bird Opening: From's Gambit, Lipke Variation (A02)
- Bird Opening: Hobbs Gambit (A02)
- Bird Opening: Hobbs-Zilbermints Gambit (A02)
- Bird Opening: Horsefly Defense (A02)
- Bird Opening: Lasker Gambit (A02)
- Bird Opening: Mujannah (A02)
- Bird Opening: Myers Defense (A02)
- Bird Opening: Platz Gambit (A02)
- Bird Opening: Schlechter Gambit (A02)
- Bird Opening: Siegener Gambit (A02)
- Bird Opening: Swiss Gambit (A02)
- Bird Opening: Wagner-Zwitersch Gambit (A02)
- Bird Opening: Dutch Variation (A03)
- Bird Opening: Dutch Variation, Dudweiler Gambit (A03)
- Bird Opening: Lasker Variation (A03)
- Bird Opening: Sturm Gambit (A03)
- Bird Opening: Thomas Gambit (A03)
- Bird Opening: Williams Gambit (A03)
- Bird Opening: Williams Gambit (A03)
- Bird Opening: Williams-Zilbermints Gambit (A03)