Chess Board
[ECO code C21] Move Move Here
CENTRE GAME
(to) Kieseritzky Variation (alt. route)
Black advanced his QBPawn to a supported QB4(c5) to defend his forward doubled QP, a rare alternative to 3..Kt-QB3 transposing out.
White develops his King's Knight to threaten Black's supported doubled QP and support 4.P-K5.
     White   Black
 1.  P-K4    P-K4
 2.  P-Q4    PxP
 3.  B-B4    P-QB4
 4.  Kt-KB3	   Main 4W,3W route
BLACK to Move or Undo or Jump or Clear
 
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