Chess Board
[ECO code B59]
SICILIAN DEFENCE - Orthodox Var.
Boleslavsky Defence (Var. C)
White's knight under KP attack on Q4(d4) moved to QKt3(b3).
Black's King's Bishop develops to K2(e7), and both sides can now castle.
    White  Black	White  Black
 1. P-K4   P-QB4     6.	B-K2   P-K4
 2. Kt-KB3 P-Q3	     7.	Kt-Kt3 B-K2
 3. P-Q4   PxP
 4. KtxP   Kt-KB3
 5. Kt-QB3 Kt-B3
Example ends: Undo or Jump or Clear