Chess Board
[ECO code D05] Move Move Here
QUEEN'S PAWN GAME
(to) Colle System
White's QP has triple support and his KB is free.
Black now also pushes his KPawn out one square to triple his QP support and free his QB. There are several other good replies open to Black, such as 3..P-B4, 3..B-KB4 and 3..P-KKt3. B-Alt.
     White   Black
 1.  P-Q4    P-Q4
 2.  Kt-KB3  Kt-KB3 Alt. 2B,3B,1B route
 3.  P-K3    P-K3   Alt. 3B,2B route
WHITE to Move or Undo or Jump or Clear
 
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