Author: Rolf Tueschen
Date: 01:45:25 11/03/03
Go up one level in this thread
On November 02, 2003 at 10:42:42, Mike Byrne wrote: >What is interesting here is how it steps down in pairs up to the 11 ply - >perhaps giving credence to the old chess adage that every other odd ply is more >beneficiary than the even ply. Well done. Now let's try to extract something from these numbers that could be helpful for other unsolved problems in the world. Let's start with weather forecasts. <g> Rolf > >On November 02, 2003 at 07:53:42, Rolf Tueschen wrote: > >>"Rebel maintains a table in SEARCH.TXT. It records every change of best-move per >>ply. Here are the contents of one of my autoplayer PC's, it clearly shows the >>decreasing importance per iteration." >> >>>> SEARCH OVERVIEW >> >>>> =============== >>>>Depth Moves Moves Big Score >>>> Searched Changed Changes >>>> 1 83591 0 = 0.0% 0 = 0.0% >>>> 2 82195 32077 = 39.0% 20786 = 25.3% >>>> 3 81737 24348 = 29.8% 13022 = 15.9% > >>>> 4 80428 20153 = 25.1% 7033 = 8.7% >>>> 5 80134 19940 = 24.9% 7969 = 9.9% > >>>> 6 79135 17344 = 21.9% 6014 = 7.6% >>>> 7 78694 15903 = 20.2% 5940 = 7.5% > >>>> 8 77710 14294 = 18.4% 4918 = 6.3% >>>> 9 75240 12888 = 17.1% 4769 = 6.3% > >>>>10 67180 8933 = 13.3% 2816 = 4.2% >>>>11 54813 7240 = 13.2% 3223 = 5.9% > > > >after 11 ply the pattern breaks ...
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