Chess Board
[ECO code B29] Move Move Here
SICILIAN TRANSPOSITION
Nimzowitsch Var. towards Dragon Var.
Black's queen's pawn out to Q3(d6) supported his QBP, freed his QB, deterred a White 4.P-K5 advance and signalled a likely Dragon line (to free his KB).
White's Queen's Pawn advance to the centre frees his QB, challenges Black's QBP and supports 5.P-K5.
     White   Black
 1.  P-K4    P-QB4
 2.  Kt-KB3  Kt-KB3!?
 3.  Kt-QB3  P-Q3
 4.  P-Q4	  Alt.3B-4W,2B-3W route
BLACK to Move or Undo or Jump or Clear
 
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