Chess Board
[ECO code B28]
SICILIAN DEFENCE - O'Kelly Var.
Maroczy Variation
White develops his Queen's Bishop to K3(e3) and attacks Black's dark bishop, challenging for Q4(d4).
Black's QPawn out to Q3(d6) defends his dark bishop and frees his QB, for 9.B-K2..0-0 with equality.
    White  Black	White  Black
 1. P-K4   P-QB4     6.	Kt-B2  B-B4
 2. Kt-KB3 P-QR3     7.	Kt-B3  Kt-B3
 3. P-QB4  Kt-QB3    8.	B-K3   P-Q3
 4. P-Q4   PxP
 5. KtxP   P-K4!
Example ends: Undo or Jump or Clear