Chess Board
[ECO code C42]
PETROFF'S DEFENCE
Lasker Variation
White's King's Bishop develops to take Black's doubled QBP on QB4(c4) and targets his KBP.
Black castles for safety. White has a slight edge.
    White  Black	White  Black
 1. P-K4   P-K4	     7.	0-0    Kt-QB3
 2. Kt-KB3 Kt-KB3    8.	R-K1   B-KB4
 3. KtxP   P-Q3	     9.	P-B4   Kt-Kt5
 4. Kt-KB3 KtxP	    10.	B-B1   PxP
 5. P-Q4   P-Q4	    11.	Kt-B3! Kt-B3
 6. B-Q3   B-K2	    12.	BxP    0-0
Example ends: Undo or Jump or Clear