Author: Dann Corbit
Date: 12:49:00 08/26/02
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On August 25, 2002 at 19:04:34, Gian-Carlo Pascutto wrote: >books Gent 2002 > 1234567890123456789012345678901234567890 >1 Sjeng 12.14 Maastricht 2500 10½110½110½1½½½½½½1½½000½10½½½110½½10½01 >21.0/40 >2 Sjeng 12.14 Maastricht AH 2500 01½001½001½0½½½½½½0½½111½01½½½001½½01½10 >19.0/40 > >Both programs are identical, but the first one is using Fritz7.ctg (pro book) >and the second one is using Shredder6.ctg (random book). > >I played 3'+2" on an Athlon XP 1800, 128M hash per engine. > >The difference is on the order of 20 points, so certainly nothing significant >(may just be random noise, even). > >My impression was that the one using Fritz7.ctg came out of the opening better >(with white) or equal (with black), but the engines made enough mistakes that >this was 'washed out' most of the time. > >I will run another test tonight but this time using Fritz 7. It would be best to >also run a test at SSDF timecontrols IMHO, but I cannot miss my computer for >that long. Any volunteers? I predict that if you increase the time control to G/90 or slower, you will see a huge advantage for the professional book. At very high speed chess, there are tons of blunders by chess programs. You will see lots of wild swings in evaluation. But then again, I believe that time control is important and can even vary how well a program plays. Others have a different view.
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