Author: Robert Hyatt
Date: 11:10:48 04/30/04
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On April 30, 2004 at 13:43:35, Mike S. wrote: >On April 29, 2004 at 23:15:24, Robert Hyatt wrote: > >>(...) > >>Absolutely nothing wrong with extending the 50-move rule in non-FIDE events >>although it is _Very_ difficult since the programs have to be modified. > >To reach the desired goal, it's not required to change the rule IMO. It would be >sufficient *not to claim* the 50-draw. It's a "can" rule, not a must, so to >speak... Of course, both opponenents (or all participants in a computerchess >event) would have to agree not to claim 50-draws so that it can make sense to do >so. I think we can expect enough common sense to draw games which really can't >be won, by agreement nevertheless. There is no difference between "can" and "must" within a chess engine, for obvious reasons... As far as common sense, I have witnessed several examples of where it was not used in real human tournaments. > >It would be not so easy to use EGTBs to help with the decision though, because >-and as it has been researched and reported by Helmut C.) - different table >format my report different results (DTM,DTC,DTZ,DTZ50). At least I think that >may be confusing. I'm not sure. > >(But the progs would probably have to be modified anyway.) > >Basically I'd prefer to find solutions within the FIDE rules rather than to make >specific rules for computerchess. In the 50 moves case, it seems possible to me >as it is not a forced draw according to FIDE, but depends on a player decision >to claim or not to claim. > >Programmers must not forget: Chess programs are not for engimematches only. :-) >The "human user" might insist that it acts FIDE-compliant all the time. > >(The focus is often too much on some high-ranking comp tournaments... what >happens there isn't so important. It's by far more important what the software >on the user's computers at home will do or can do.) But if we reach a position that is a table loss for me in 200 moves, I am _not_ going to refuse to claim the 50 move draw rather than wait for the 200 move loss. I don't believe any human would... So it either becomes a new rule, or it doesn't. There is no "gentleman's agreement" for such things in chess that will work reliably... > >Regards, >Mike Scheidl
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