Author: blass uri
Date: 13:33:18 04/24/00
Go up one level in this thread
On April 24, 2000 at 16:04:52, Robert Hyatt wrote: >On April 24, 2000 at 14:42:36, A.L.Mourik wrote: > >>Hello to everyone, >> >>Two days ago I played a Nunn 2 match between Fritz 6 and Crafty 17.10. >>This whether to check if Crafty as supposed by e.g Jouni Uski was really as good >>as been told . >> >>The result in a Nunn 2 match that I held was disappointing because it ended in a >>clear 29,5 - 10,5 victory for Fritz6. >>Timelevel 5min +3 sec. PII 400 each 8 MB HT, pondering off. >>The only reason that I played a Nunn 2 Match between these two engines, was to >>TEST which program under equal circumstances, as in this case in the Fritz6 gui, >>scored the best. This as an indication of the ?chesspower? of that engine. >>Imho these are the best circumstances with one computer to tell which program >>produces the best chess. >> >>You can?t argue on the fact that the circumstances for the given engines were >>not the same. >>As far as I can see it, your only real point is the presumption, that Crafty >>does a better time saving in the pondering on mode, than Fritz6. >>So I agree that with testing on two different computers and with both programs >>pondering on, this presumed negative effect for Crafty would be neutralised. >>On the other hand I wonder what Morsch or other respectable programmers opinion >>on these presumption is. >> >>I would like to end this discussion with quoting Cock de Gorter who has written >>in his article on Kasparovchess.com >> >>"Crafty is extremely strong in tactics, but it makes positional errors and >>misplays some endgames. It doesn?t understand piece mobility. Despite its high >>rating on the Internet, Crafty is a weak program compared with the best >>commercial chess programs." >> >>I agree on that but still I must say that I am very glad to have Crafty for >>free. > > >That only shows that de Gorter doesn't know his elbow from a potato chip. >Crafty is actually significantly _worse_ at tactics than commercial programs. >Check out the tactical scores on _any_ test suite you care to try. Crafty may be worse in tactics but test suites cannot tell which program is better in tactics because they usually position when the right move seem bad and you can only discover after search that it is good when many tactical mistakes do not give the opponent a move that seems bad and turn out to be good. I think that a better test should be based on games when the target is to discover more tactical mistakes. Uri
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