Chess Board
[ECO code A40] Move Move Here
TRANSPOSITION
LUNDIN / NIMZO.QP. DEF. to QP. GAME
White's KP push blocked his QB but supported his QP and freed a path for his king's bishop.
Black advances his Queen's Pawn to Q4(d5) in the centre, taking control of White's QB4+K4(c4+e4) and freeing Black's QB for use (but inviting a White B-QKt5 pin against his knight).
	White   Black
 1.	P-Q4    Kt-QB3
 2.	P-K3    P-Q4
WHITE to Move or Undo or Jump or Clear
 
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