Wing Gambit
In chess , Wing Gambit is a generic name given to openings in which White plays an early b4 , deflecting an enemy pawn or bishop from c5 so as to regain control of d4 , an important central square . 
<triplet> Wing Gambit <subj> chess <obj> sport <triplet> openings <subj> chess <obj> sport <triplet> pawn <subj> chess <obj> sport <triplet> bishop <subj> chess <obj> sport