Author: Uri Blass
Date: 08:18:44 12/24/05
Go up one level in this thread
On December 24, 2005 at 10:56:25, Thomas Gaksch wrote: >it is very difficult for me to describe this in english. >first of all i want to clarify, that i always thank fabien for his great program >fruit and everything he did for computer chess. an of course he is a great >programmer and a great person. no doubt about that. i have never said anything >else. i also have never said that i am the great programmer and that toga is >full of new ideas. i have also never said that fruit wouldn´t be as strong as it >is without toga. >i just read the comments from ryan, uri, tord (programmers) and others about >toga and i am very dissapointed from their statements. but i think there are >some facts. >first of all the most important fact is playing strength. >CEGT 40/40 Fruit 2.1 = 2713 ELO >CEGT 40/40 Toga II 1.1 = 2767 ELO >CEGT Blitz Fruit 2.1 = 2703 >CEGT Blitz Toga II 1.1 = 2767 >and if you critizise me that i only wrote 47 lines of code for this improvement >than i think that is not a negative point. not the quantity of lines is >important. I agree that it is not a negative point. I did not attack you in my posts and I only defended fabien against attacks that claimed that you are better programmer than him. >and if you critizise me that i invented nothing new than i can only say that it >is true. why should i invent something really new, if it is possible to improve >fruit with known techniques. >you say that it is so simple what i have done. thats partly true. but believe me >or not i invested a lot of time in testing und finding the right techniques >which improved the playing strenght so much. if everything is so simple and fast >to implement, why hasn´t done it fabien in fruit 2.0 or 2.1? i think fabien >hastn´t done it, because he didn´t believe that these techniques would increase >the playing strength so much. there is absolutely no doubt about it that it >would be easy for him to do that. and it is 100% clear that he never used toga >code in fruit. but i think i showed him the techniques which worked in fruit >very well. so he saved a little bit time in testing this things because he saw >in toga that it will work. >i also said that i would never release a clone if it is not better than his >original. so if ryan writes derogative about toga than i only can say "do it >better". but you release one beta after the other and no beta is really stronger >than toga 1.1. so you see it is not so simple to improve an existing engine like >everybody thinks. I am not sure if you are right here http://www.husvankempen.de/nunn/ratingall.html 8 Toga II 1.1 2768 15 15 1319 60.8 % 2692 37.2 % 12 Gambit Fruit 1.0 Beta 4bx 2743 39 39 229 51.5 % 2733 26.2 % The statistical error of Gambit Fruit 1.0 Beta 4bx is still too high to claim that it is not better than TogaII 1.1 Uri
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