Chess Board
[ECO code C73]
RUY LOPEZ - Steinitz Def. Deferred
Alapin Variation
White's QBPawn moves up to QB5(c5), attacking Black's QP and inviting him to triple his own QBPs.
Black castles, setting his KR on the half-open f-file.
    White  Black	White  Black
 1. P-K4   P-K4	     7.	P-B4   P-Kt3
 2. Kt-KB3 Kt-QB3    8.	Kt-B3  B-KKt2
 3. B-Kt5  P-QR3     9.	Q-R4   Kt-K2
 4. B-R4   P-Q3	    10.	PxP    BPxP
 5. BxKt ch PxB	    11.	P-B5!  0-0
 6. P-Q4   P-B3
Example ends: Undo or Jump or Clear