Author: Jeremiah Penery
Date: 05:19:24 10/07/99
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On October 06, 1999 at 09:58:51, Robert Hyatt wrote: <snip 'Bxh2 is bad, but Crafty 16.18 chooses it anyway.'> >I let it run in the background for about 30 minutes. It is possible that some >of the new eval changes mis-tuned that eval term. The new majority/candidate >code has _really_ broken a lot of things and has taken more time than I >expected to get it back into semi-reality... > >The problem here is that Bxh2 gets +1.0, but my trapped bishop code adds in >-1.5. It is possible that if you adjust king safety (assuming the king is >not castled or is on the kingside) you can swamp that term by king safety >exposure. > >The eval is very highly tuned... and any changes have unexpected side-effects >all the time. I will try this on 16.18 to see if I notice anything wrong. Are >you using stock evaluation weights??? For this test, I used the straight-from-the-FTP, default-settings Crafty 16.18. Jeremiah
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