Author: Daniel Shawul
Date: 04:57:00 08/20/04
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On August 20, 2004 at 03:11:27, Pham Hong Nguyen wrote: >It is very hard for others to answer your questions. You should be the right man >to find the reasons and report them :) yeap,i will do a lot of test at different time controls. > >Here are only my guesses: > >- Your program may be worser than your rivals in longer time control. By using >faster computer and using the same time control, it turns out that you play a >longer time control games in your old computer. that's probably right. > >- (more technique) Your search is little worser than the rivals, making some >gaps of search depths. In the old computer the difference may be very little, >say 0.5-1 ply. In the new computer when your program can search deeper, say 1 >ply, but your rivals could search more 2 plies. Thus the gaps between yours and >the rivals are expanded to 1 ply, or around 50-70 ELO. i think i have read that those spenidng lot of time in eval gets rewarded in long time controls.but if you get outsearched by a ply,everything is lost. which i don't think is the case for danchess at most positions. thanks daniel > >Pham > > > >On August 20, 2004 at 01:55:19, Daniel Shawul wrote: > >> >>i used to work my chess on a 1.8GHZ PC. >>On that PC DanChess(slower program) can score good point >>against some fast programs with high NPS. But now when i >>changed to a 2.8GHZ PC things are different. my prog has >>really a very hard time against those engines. My question is >>both programs are speeded up by the same amount,so why the difference? how much >>are the other programs benefited? usually i test at 40 moves in >>3 minutes.what is the equivalent of this on a 2.8ghz pc.
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