Chess Board
[ECO code E42] Move Move Here
NIMZO-INDIAN DEF. - Rubinstein System
Rubinstein Variation

White's Knight exchanges B-for-Kt on QB3(c3), frees his KB and doubles a threat against Black's QP.
Black's Queen's Pawn now removes White's doubled QBP on QB5(c4), inviting another exchange.
    White  Black	White  Black
 1. P-Q4   Kt-KB3    6.	PxP    P-Q4
 2. P-QB4  P-K3	     7.	P-QR3  BxKt ch
 3. Kt-QB3 B-Kt5     8.	KtxB   PxP
 4. P-K3   P-B4
 5. Kt-K2  PxP

WHITE to Move or Undo or Jump or Clear
 
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