Chess Board
[ECO code E31]
NIMZO-INDIAN DEFENCE
Leningrad Variation
White's QKtPawn takes the bishop on QB3(c3) in piece exchange, and he now has doubled QBPs.
Black's K3(e6) Pawn moves on to K4(e5), with relatively quiet equality.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	P-Q5   P-Q3
 2. P-QB4  P-K3	     7.	P-K3   BxKt ch
 3. Kt-QB3 B-Kt5     8.	PxB    P-K4
 4. B-Kt5  P-KR3
 5. B-R4   P-B4
Example ends: Undo or Jump or Clear