Author: Thomas Gaksch
Date: 02:46:31 03/13/05
i want to apologise me for distributing an modified version of fruit with the name Toga to a few testers. that was absolutely wrong from my side and i have absolutely a very bad conscience. (sorry for my bad english. i hope you understand what i want to say.) i only wanted to know from experienced tester, if this version would be an improvement or not. it was very unfair from me, that i didn´t mentioned it in the emails, that it is based on fruit. i have done this because nobody wants to test a clone version. (i have never seen any test of a clone version yet) it was not my goal to distribute the program to everywhere whithout maintaining the license. i only wanted some feedback from testers about the playing strength. for the unlikely case that somebody else wants to get a copy from toga, i made a GNU GPL package with all the sources and a readme file. Fabien Letouzy ist informed about this and has accepted my apology. i have implemented a few new things (new for fruit but well known algorithm). i dont know if it increased playing strength but some short tests where promising (+40 Elo). Following changes and extensions made: - fractional plys - improved history pruning - push pawn extension - threat extension - recapture extension - improved king safty - lazy evaluation - new evaluation features (exchange bonus, pawn advance bonus etc.) again sorry for my absolutely wrong behavior in the past. bye thomas
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