Chess Board
[ECO code B28]
SICILIAN DEFENCE
O'Kelly Variation

White develops his Queen's Knight to QB3(c3) to defend his KP under attack, and prevents ..P-Q4.
Black advances his King's Pawn to attack White's knight in the centre, and plans 6..B-QKt5.
	White	Black
 1.	P-K4	P-QB4
 2.	Kt-KB3	P-QR3
 3.	P-Q4	PxP
 4.	KtxP	Kt-KB3
 5.	Kt-QB3	P-K4

Example ends: Undo or Jump or Clear