Chess Board
[ECO code C66]
RUY LOPEZ - Closed Berlin Def.
Hedgehog Variation
White's light Bishop on QKt5(b5) takes Black's QKt on QB6(c6) and threatens Black's light bishop.
Black exchanges, taking White's light bishop with his QKtPawn. Equality, but a constricted position.
    White  Black	White  Black
 1. P-K4   P-K4	     6.	Kt-B3  B-K2
 2. Kt-KB3 Kt-QB3    7.	R-K1   PxP!
 3. B-Kt5  Kt-B3     8.	KtxP   0-0
 4. 0-0    P-Q3	     9.	BxKt   PxB
 5. P-Q4   B-Q2
Example ends: Undo or Jump or Clear