B – Opening by Name on Chess Board
Bogoljubow: Counterthrust Var, Ruy
Borg Defence
Borg Defence: Borg Gambit
Borg Defence: Borg Gambit
Borg Defence: Langhorst Gambit
Borg Defence: Troon Gambit
Borg Opening: Zilbermints Gambit
Borisenko Variation II, Ruy Lopez
Botvinnik Variation, English
Botvinnik Variation, French
Botvinnik Variation, Grunfeld
Botvinnik-Bronstein Variation, Dutch
Breyer Opening, Ponziani