Chess Board
[ECO code C74]
RUY LOPEZ
Steinitz Def. Deferred
White's KB3(f3) Knight removes Black's KP on K5(e5) to recoup, and threatens 13.KtxB+ch, 14.KtxR.
Black's light QB3(c6) Bishop moves to K5(e4) and prevents the threat of discovered check. Equality.
    White  Black	White  Black
 1. P-K4   P-K4	     7.	P-Q4   B-Q2
 2. Kt-KB3 Kt-QB3    8.	R-K1   Kt-B3!
 3. B-Kt5  P-QR3     9.	BxKt   BxB
 4. B-R4   P-Q3	    10.	PxP    PxP
 5. P-B3   Kt-B3    11.	QxQ ch RxQ
 6. 0-0!   KtxP	    12.	KtxP   B-K5!
Example ends: Undo or Jump or Clear