Chess Board
[ECO code D19]
OPEN SLAV DEFENCE - Dutch Var.
(to) Samisch Variation
White's KKtPawn advance to KKt4(g4) attacked Black's dark bishop to upset its support for the Kt.
Black's KB4(f5) Bishop to KKt3(g6) keeps support for his QKt, and 11.Kt-K5..KtxKt maintains equality.
    White  Black	White  Black
 1. P-Q4   P-Q4	     6. P-K3   P-K3
 2. P-QB4  P-QB3     7.	BxP    B-QKt5
 3. Kt-KB3 Kt-B3     8.	0-0    0-0
 4. Kt-B3  PxP	     9.	Q-K2   Kt-K5
 5. P-QR4  B-B4	    10.	P-KKt4 B-Kt3
Example ends: Undo or Jump or Clear