[ECO code A40] |
(to) Colle System White develops his(her) King's Knight to KB3(f3), setting the start of a Colle System (qv.) (in which he makes elaborate preparations for opening up the centre eventually by P-K4), rejecting Anglo-Slav (2.P-QB4) or Caro-Kann (2.P-K4) Defences. W-Alt. White Black 1. P-Q4 P-QB3 2. Kt-KB3 BLACK to or Undo or Jump or Clear |
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