Chess Board
[ECO code C68]
The Alapin Variation

White's QP advance attacked Black's central KP.
Black develops his Queen's Bishop to KKt5(g4), pinning White's KKt+Q so as delay piece exchanges and complicate the game for a better basis. B-Alt.
	White	Black
 1.	P-K4	P-K4
 2.	Kt-KB3	Kt-QB3
 3.	B-Kt5	P-QR3
 4.	BxKt!?	QPxB
 5.	P-Q4	B-KKt5

Example ends: Undo or Jump or Clear