Author: Robert Hyatt
Date: 19:19:38 11/27/99
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On November 27, 1999 at 20:39:23, Charles Unruh wrote: >On November 27, 1999 at 17:33:13, Robert Hyatt wrote: > >>On November 27, 1999 at 12:18:07, Fernando Villegas wrote: >> >>>I do not understand your point, Bob. This is not a match between two computers, >>>but many. How a program could do well just tuning against Tiger? Maybe that >>>could mean to un-tune against any other of the concurrence. Maybe some opening >>>preparations, but... >>>Fernando >> >> >>This is easy. A year ago, due to some unusual new eval features I added, I >>ended up with a version that had very little trouble with Fritz 5 at any time >>control. It won so many games that Lonnie accused me of using a Cray to play >>against him. If I sent _that_ version to the SSDF for testing, it would have >>done very well against fritz, because fritz would be totally unprepared. But >>once they saw what was happening, some adjusting on their end (king safety and >>passed pawns in particular) and this advantage would have eyvaporated. >> >>Almost always the _last released_ program goes to the top of the SSDF. In this >>case, it is an _unreleased_ version, which means _nobody_ had a chance to look >>at the book, and the depth, at the evals, and find out what it is doing.... >> >>Sort of an "element of surprise"... > > >What about CM, ut vecame #1 and i highly doubt that it was tuned against any >prog. Further it doesn't even have book learning, or a specially tuned book. >It got to be #1 simply by playing the best chess overall. I believe that _all_ commercial programs are tuned against their competition to some extent. But that isn't the point here. A "new" program will do well until whatever was new is uncovered by analyzing games. Then that "new" feature doesn't affect the games as much, and things change...
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