Chess Board
[ECO code B06] Move Move Here
(MODERN to) THE PIRC-ROBATSCH DEF.
Austrian Attack
White advanced his KBPawn to KB4(f4) to counter any Black ..P-K4 and support an eventual P-K5.
Black develops his King's Knight, deters 5.P-Q5, pressures White's KP and enables castling, and the Modern (or Robatsch) merges with the Pirc.
     White   Black
 1.  P-K4    P-KKt3
 2.  P-Q4    B-Kt2
 3.  Kt-QB3  P-Q3
 4.  P-B4    Kt-KB3  Main Pirc route
WHITE to Move or Undo or Jump or Clear
 
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