Author: Miguel A. Ballicora
Date: 15:28:46 01/08/03
Go up one level in this thread
On January 08, 2003 at 18:21:15, Robert Hyatt wrote: >On January 07, 2003 at 20:40:41, Ricardo Gibert wrote: > >>On January 07, 2003 at 20:14:11, Edward Seid wrote: >> >>>On January 07, 2003 at 19:45:04, Ricardo Gibert wrote: >>> >>>>What's subtle about it? Black draws easily thanks to the 50-move rule rendering >>>>most of this analysis as irrelevant. >>> >>>The 50-move rule was created by tournament directors and organizers to address >>>practical tournament play, before computer use was widespread. After computer >>>analysis proved that some endings could still be won but would take longer than >>>50-moves, certain special case endings were allowed to extend beyond 50 moves in >>>tournament play. >> >> >>BTW, this is not correct. Exceptions were made before the advent of EGTBs i.e >>KNNKP. >> > >I don't recall any exceptions prior to Ken Thompson's results. As he found >exceptions, FIDE added them to the list. But GM players revolted and all the >exceptions were once again removed. Exceptions were already in the 70's (or before) based on Trompowsky's on KNNKP. They were 80 moves and depended on the position of the black pawn. Those studies were pretty old. Miguel > > >> >>>The current analysis shows that in the case of KRRPKQ, with perfect play from >>>both sides, that the superior side could take MUCH LONGER than 50 moves. >>> >>>So I disagree with you when you say that a forced winning line is irrelevant >>>because of a rule that humans created to expedite human tournament play.
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