Chess Board
[ECO code B41]
SICILIAN DEF. - Sicilian Counter-Attack
Koch Variation
White develops his Queen to KKt4(g4), attacking Black's KKtP and KR. [7.B-Q2 is also good.]
Black sets his threatened KKtP on KKt3(g6) for safety but is becoming weaker on the dark squares.
    White  Black	White  Black
 1. P-K4   P-QB4     6.	P-K5!  Kt-Q4
 2. Kt-KB3 P-K3	     7.	Q-Kt4  P-KKt3
 3. P-Q4   PxP
 4. KtxP   Kt-KB3
 5. Kt-QB3 B-Kt5?!
Example ends: Undo or Jump or Clear