Chess Board
[ECO code E20]
NIMZO-INDIAN DEFENCE
Steiner Variation
White's QKtPawn exchanges, removing Black's knight on QB3(c3) and accepting doubled QBPs.
Black takes the opportunity to push his K3(e6) King's Pawn on to K4(e5), with a slight advantage.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	B-Q2   BxKt
 2. P-QB4  P-K3	     7.	BxB    0-0
 3. Kt-QB3 B-Kt5     8.	B-Kt2  KtxB
 4. P-KKt3 P-B4	     9.	PxKt   P-K4
 5. P-Q5   Kt-K5
Example ends: Undo or Jump or Clear