Author: GuyHaworth
Date: 21:50:35 10/17/05
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DTC = depth to conversion, i.e. 'change of force' and/or mate. Certainly, when there is a change of force, the move-counter is zet to zero. But a Pawn-advance also sets the move-counter to zero, and terminates a 'DTZ phase'. Therefore DTZ is not necessarily the same as DTC when there are Pawns on the board - even though DTC == DTZ when there are no Pawns on the board. For example: For KPK, maxDTC = 19, (maxDTM = 28) but maxDTZ = 10. g
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