Author: Uri Blass
Date: 09:36:43 11/01/00
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On November 01, 2000 at 11:26:47, Peter Skinner wrote: >>I think on a AMD K6-2 450 MHz is the rating from the SSDF OK, but with the next >>games is the rating higher, I am sure. The AMD processor is not the best >>processor for Gandalf 4.32f ! >> >>Best >>Frank > >Not only that, but in my testing, Gandalf 4.32e is much stronger than Gandalf >4.32f. > >In 5 min games. Total games 85: > >Gandalf 4.32e: +56 =12 -17 >Gandalf 4.32f: =17 =12 -56 > >In 15 min games. Total games 75: > >Gandalf 4.32e: +47 =13 -15 >Gandalf 4.32f: +15 =13 -47 > >In 40 min games. Total games 50: > >Gandalf 4.32e: +26 =15 -9 >Gandalf 4.32f: +9 =15 -26 > >In 40/40 games. Total games 60: > >Gandalf 4.32e: +43 =8 -9 >Gandalf 4.32f: +9 =8 -43 > >Each series was started with a new book. Both programs on a PIII 500, 256 megs >ram. 56 meg hash tables for both. Here is the performance of white/black via >elo_stat: > >White Perf. : 49.4 % >Black Perf. : 50.6 % > >Gandalf 4.32e was the strongest version, and should have been the commercially >released version. Here is a set of games in the Fritz interface: > >These were 40/40 games: Total 150. > >Gandalf 4.32e: +87 =23 -40 >Fritz 6a: +40 =23 -87 > >These were 40/40 games. Total games 150. > >Gandalf 4.32f: +53 =47 -50 >Fritz 6a: +50 =47 -53 > >You can see the "e" version destroyed Fritz 6a, and actually was the strongest >version over ICS play as well. My question is why wasn't it the commercial >version? Your results suggest that 4.32e is more than 100 elo better than 4.32f at all time controls and even more than 200 elo better than 4.32e at 40/40. They suggest that 4.32f is 125 elo better than Fritz6a. If you are right then the only reason that I can find not to sell 4.32e is if the programmer want to use it to win a correspondence championship but the first thing to suspect is that something is wrong with your results(maybe Fritz has a bug that tells it to play weaker only in eng-eng matches against Gandalf4.32e and maybe the machine that you used for 4.32f had problems and 4.32f was slowed by a significant factor) Uri
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