Author: José de Jesús García Ruvalcaba
Date: 04:35:00 01/09/03
Go up one level in this thread
On January 08, 2003 at 18:06:42, John Merlino wrote: >On January 08, 2003 at 16:10:44, Richard Pijl wrote: > >>On January 08, 2003 at 15:00:12, Eiko Bleicher wrote: >> >>>While I know that DTM is the distance to mate, meaning the longest playline of >>>optimal play, what are the others exactly describing? >>> >>>Thank you, >>> >>>Eiko >> >> >>DTC: Distance to conversion -> distance to pawn push or capture >> >>Richard. > >Pawn pushes are not stored in DTC. DTC only stores distances to pawn PROMOTIONS, >captures or checkmate. > >Additionally, DTZ means distance to zeroing the 50-move counter. > >I have never heard of DTR. > >jm You are right in your definitions. DTR means distance-to-rule. The 50-move rule is quite arbritary (why not a 45-move rule instead?). The 50-move rule can be generalised to a R-move rule. For a "won" position, DTR is the smallest R for which the position is a forced win the R-move rule. José.
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