Chess Board
[ECO code C67]
RUY LOPEZ - Open Berlin Def.
Side Variation
White's light Bishop captures Black's knight on QB6(c6) and attacks the queen on Q7(d7).
Black's Queen exchanges B-for-Kt, but 9.P-QB4! will give White an advantageous attack.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	R-K1   P-Q4
 2. Kt-KB3 Kt-QB3    7.	QxP    Q-Q2
 3. B-Kt5  Kt-B3     8.	BxKt   QxB
 4. 0-0	   KtxP
 5. P-Q4   PxP?!
Example ends: Undo or Jump or Clear