Chess Board
[ECO code C80]
RUY LOPEZ - Open Morphy Defence
Riga Variation

White's King removes the KR2(h2) bishop. Dubious (unlike the 10.K-R1 alternative). W-Alt.
Black develops his endangered Queen to KR5(h4) and checks White's king again, for at least a draw (with perpetual check by 11.K-Kt1..QxP+ch).
    White  Black	White  Black
 1. P-K4   P-K4	     6.	P-Q4   PxP
 2. Kt-KB3 Kt-QB3    7.	R-K1   P-Q4
 3. B-Kt5  P-QR3     8.	KtxP   B-Q3!
 4. B-R4   Kt-B3     9.	KtxKt  BxP ch
 5. 0-0    KtxP	    10.	KxB?   Q-R5 ch

Example ends: Undo or Jump or Clear