Chess Board
[ECO code B30]
SICILIAN DEFENCE
Rossolimo Variation
White's QRPawn to QR4(a4) for a potential 9.P-R5, 10.P-QKt3 deters a Black Q-side pawn advance.
Black develops his Queen to Q2(d7) enabling 0-0-0, but White has the better development.
    White  Black	White  Black
 1. P-K4   P-QB4     6.	0-0    P-B3
 2. Kt-KB3 Kt-QB3    7.	P-Q3   B-K3
 3. B-Kt5  P-QR3     8.	P-QR4! Q-Q2
 4. BxKt   KPxB
 5. P-KR3  P-K4!
Example ends: Undo or Jump or Clear