Author: Robert Hyatt
Date: 07:45:28 01/29/06
Go up one level in this thread
On January 29, 2006 at 09:52:57, Kurt Utzinger wrote: >On January 29, 2006 at 09:38:56, Majd Al-Ansari wrote: > >>I have a completely different result. I see quite a big difference and many >>"won" games are now won instead of drawn. > > Please be good enough to present those results > here. This would be of great interest. > Kurt > >I have checked out quite a few games >>and I will say that EGTB's greately improve endgame play for Rybka, and plug a >>lot of holes. > > This is contrary to long experience with other engines > where you can almost see no difference regarding overall > score after playing some hundred games. > Kurt > > EGTB are especially important if the other side has them. Not >>having them will leak a lot of points. Still there is quite a ways to go for >>Rybka when endgames are concerned. It still plays some endings horribly. But >>the gaps are getting smaller and smaller and I am very interested to see how >>Rybka will be with beta 14 (EG knowledge added). One note: Playing EGTB vs NoEGTB to see if EGTB helps is probably the wrong way to measure the experiment. It is more useful to take a known good program _with_ EGTBs, and play your favorite engine against it, with your engine not using 'em, then playing again with 'em. If the opponent doesn't have 'em, then your not having them might not expose the problem as well as making sure your opponent can always win those tricky cases and you now have to rely only on your eval to hang on...
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