Chess Board
[ECO code C21] Move Move Here
CENTRE GAME
(to) Kieseritzky Variation
Black advanced his QBPawn to a supported QB4(c5) to defend his forward doubled QP, a less well known alternative to 3..B-B4 or transposing out.
White develops his King's Bishop to dominate the diagonal leading to Black's weak KB2(f7) square.
     White   Black
 1.  P-K4    P-K4
 2.  P-Q4    PxP
 3.  Kt-KB3  P-QB4
 4.  B-B4	   Alt. 4W,3W route
BLACK to Move or Undo or Jump or Clear
 
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