Chess Board
[ECO code C64]
RUY LOPEZ
Classical Defence
White's Rook moves across to K1(e1) for check.
Black moves his King to KB1(f8) and forfeits all castling, but still has equality in the game.
    White  Black	White  Black
 1. P-K4   P-K4	     7.	0-0    P-Q4!
 2. Kt-KB3 Kt-QB3    8.	PxP ep. KtxQP
 3. B-Kt5  B-B4	     9.	BxKt ch PxB
 4. P-B3   Kt-B3    10.	PxP    B-Kt3
 5. P-Q4   PxP	    11.	B-Kt5  P-B3
 6. P-K5   Kt-K5    12.	R-K1 ch K-B1
Example ends: Undo or Jump or Clear