Chess Board
[ECO code E21] Move Move Here
NIMZO-INDIAN DEF. - Three Knights Var.
(to) Fianchetto Variations (alt. route)
Black's QKtP move signalled a likely QB fianchetto.
White pushes his King's Pawn out to K3(e3) (switching to the Rubinstein System), supports his QP and frees his KB to support his QBP. W-Alt.
     White   Black
 1.  P-Q4    Kt-KB3
 2.  P-QB4   P-K3
 3.  Kt-QB3  B-Kt5
 4.  Kt-B3   P-QKt3
 5.  P-K3	     Main 5W,4W route
BLACK to Move or Undo or Jump or Clear
 
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