Chess Board
[ECO code B28] Move Move Here
SICILIAN DEFENCE - O'Kelly Var.
Maroczy Var. to Checkhover Var.
White advanced his QBPawn to QB4(c4) ahead of his QKt, delaying the usual early central P exchange.
Black pushes his Queen's Pawn out to Q3(d6), supporting 4..P-K4 and freeing his QB. Rarer than 3..Kt-QB3 but quite playable. B-Alt.
	White	Black
 1.	P-K4	P-QB4
 2.	Kt-KB3	P-QR3
 3.	P-B4    P-Q3
WHITE to Move or Undo or Jump or Clear
 
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