![]() [ECO code A42] |
(to) Exchange Variation Black advances a defended King's Pawn to the centre to challenge White's QP, and partially unblocks his KB diagonal but frees his QB fully (enabling for example a 3.Kt-KB3..B-Kt5 pin). B-Alt. White Black 1. P-Q4 P-Q3 2. P-QB4 P-K4 WHITE to or Undo or Jump or Clear |
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