Chess Board
[ECO code C64]
RUY LOPEZ - Classical Defence
Cordel Variation
White develops his Queen's Bishop to KKt5(g5), pinning Black's KKt to enable a K-side Q attack.
Black also develops QB but to KB4(f5) defending his KP, set for 12.P-B3..P-K6, 13.BxP..0-0-0 equality.
    White  Black     6.	BPxP   B-Kt5 ch
 1. P-K4   P-K4	     7.	Kt-B3  PxP
 2. Kt-KB3 Kt-QB3    8.	Kt-K5  Kt-B3
 3. B-Kt5  B-B4	     9.	0-0    Q-K2!
 4. P-B3   P-B4	    10.	BxKt   QPxB
 5. P-Q4   KPxP	    11.	B-Kt5  B-KB4
Example ends: Undo or Jump or Clear