Chess Board
[ECO code C63]
RUY LOPEZ
Schliemann Defence
White's Bishop on QB4(c4) retreats to K2(e2) losing a tempo, but attacks the knight on QR4(a5).
Black's K-side Knight returns to QB3(c6). 
    White  Black	White  Black
 1. P-K4   P-K4	     7.	Kt-B3  B-K2
 2. Kt-KB3 Kt-QB3    8.	Kt-Q5  0-0
 3. B-Kt5  P-B4!?    9.	Kt-Kt5 Kt-KKt5
 4. P-Q3   PxP	    10.	P-KR4! K-R1
 5. PxP    Kt-B3    11.	B-QB4  Kt-R4
 6. 0-0    P-Q3	    12.	B-K2   Kt-KB3
Example ends: Undo or Jump or Clear