Author: Vasik Rajlich
Date: 13:39:17 12/30/05
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On December 30, 2005 at 12:03:57, Zappa wrote: >Well, its been a while since I had to write a tournament report congratulating >someone else. I hope this doesn't become a habit :) Anyway, congrats to Vasik! > Rybka simply played the best chess of the tournament and deserved to win. As I >have said before, I am a big fan of Rybka, because whatever he is doing, its >fundamentally different than the history-pruning-mobility-based-fruitish engines >that everyone else seems to write (even Zappa is fundamentally a mobility based >engine). > >To be honest, I was not real optimistic going into the tournament. I have >changed a lot of things in the latest Zappa versions, and I feel that I haven't >managed to bugfix and tune all of them properly (example: the game against >Ikarus). I feel most of the knowledge is correct, but its just a matter of >getting the values right. People have wondered for months now why Fruit is so >strong. My opinion is that he simply has so few parameters to tune that he can >get them exactly right :) My main hope for the tournament was that the >supercomputer would save a few points for me, but that turned out to be a comedy >of errors. > >I forked the code to work on it, and when I went to merge it in I apparently >screwed something up bigtime - I still don't know what. At odd points it would >simply search 150KN/s for about 20 seconds rather than 20MLN :) I didn't even >realize this until round 4, when Erdo switched off the supercomputer to the quad >after about 5 moves as it was searching about 500 KN/s on average. I'm not sure >this was legal, but considering the result I doubt Vasik will complain :) And >for some reason it didn't run at all vs Spike, and after staying up until 3:00 >AM for 4 nights in a row I was just too disgusted to fix it. Really the only >important game for which the supercomputer was working properly was vs Shredder, >when I just used the version I had forked before. Sorry Sandro. > >To compound Zappa's errors, Erdo's superman cape fell off a bit this tournament. > Anyway, I would rather have everything go wrong all at once, and get it over >with. Time to go play basketball :) > >cheers, > >anthony Anthony, thanks for the honest report. No doubt you'll be ready for Turin. Vas
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