Author: Robert Hyatt
Date: 08:15:51 08/26/05
Go up one level in this thread
On August 26, 2005 at 05:15:08, Uri Blass wrote: >On August 25, 2005 at 23:42:33, Robert Hyatt wrote: > >>On August 25, 2005 at 15:43:30, Vincent Lejeune wrote: >> >>>On August 25, 2005 at 11:33:19, Robert Hyatt wrote: >>> >>>> >>>> >>>>On August 25, 2005 at 06:14:11, Bernhard Bauer wrote: >>>... >>>>>I am not sure either. >>>>>If I would make only one blunder in 20% of my games, I would not think it's >>>>>often. However, if I would blunder 20% of the moves in one game, that would be >>>>>quite often. >>>>>Look at the following 3 positions: >>>>>8/k7/3p4/p2P1p2/P2P1P2/8/8/K7 w Fruit2.1 needs 2:20 min to find Kb1 >>>>>7k/2p5/2p5/2P4p/3P1p1p/5P1P/8/K7 w Fruit2.1 gives Kb2 whithin 5 min >>>>>2k5/2p2p2/2p1p3/2P1PpP1/1p1P1p2/1P3P2/1K3P2/8 w >>>>>Fruit2.1 needs 55 sec to find Kb1. My crafty version only 15 sec. >>>>> >>>>>Let me recall something Bruce Moreland wrote: "Search should find it" >>>>>Agressive pruning makes your engine faster and usually stronger, but not more >>>>>reliable. >>>>>Kind regards >>>>>Bernhard >>>> >>>> >>>>If you are interested in test sets, I can run most anything. I am currently >>>>running the Nolot positions for 60 minutes each. On the opteron box, a 1-cpu >>>>run gets five correct. Will see if the 2-4-8 cpu runs find more... >>> >>>Cool , we will be able to compare with results of DB2 (about right and wrong >>>solutions) >>>http://chessprogramming.org/cccsearch/ccc.php?art_id=150640 >> >> >>I'll put all the logs on my ftp box when they are done. Right now, for the >>first 8 cpu test run, here's what's happened to this point: >> >>position 1 Nxh6 is found in 1:06... > >Did it get positive score? > >Note that many programs find Nxh6 only to change their mind later. > >Uri I have not looked at any of them carefully yet. But note that it found it at 1:06 and stuck with it for 60 minutes total...
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