Chess Board
[ECO code D21]
QUEEN'S GAMBIT ACCEPTED
Side Variation

White advanced his king's pawn to the centre in response to Black's weak QKt move, and his freed KB attacked Black's doubled QBP.
Black advances his QKtPawn but will have difficulty keeping the gained pawn, and has lost the centre.
	White	Black
 1.	P-Q4	P-Q4
 2.	P-QB4	PxP
 3.	Kt-KB3	Kt-QB3?!
 4.	P-K4	P-QKt4

Example ends: Undo or Jump or Clear