Author: Reinhard Scharnagl
Date: 02:32:13 12/04/05
Go up one level in this thread
On December 04, 2005 at 05:25:43, Uri Blass wrote: >On December 03, 2005 at 23:39:19, chandler yergin wrote: > >>All expressions of great Joy. >>"Eureka cried the ancient Philosopher! The religious have an Epiphany! >>I just had another Beer.. and it came to me! >>I finally understand.. (I think) what you guys are doing, and want to do better. >>(If I don't I'm sure you'll tell me. >>;) >>You need a way to Test your Engines; and Tweak them and have irrefutable >>evidence of performance. In other words, a "Benchmark"; a Baseline for >>comparison purposes. >>Most of you use Test Positions! The problem there is, that every Engine will >>evaluate a poition differently. >>What is the one thing in Chess that will never change? >>What is the one Constant that will never change? >> >>The number of "possible" moves at various Ply Levels! >>Here they are: >> >> 0 1 >>ply 1 20 >>ply 2 400 >>ply 3 8890 >>ply 4 196812 >>ply 5 4838258 >>ply 6 118251225 >>ply 7 3162798012 >>ply 8 84029997363 >>ply 9 2403434332264 >>ply 10 68265214423776 >>ply 11 2058141026024096 > >correct numbers can be productive for programmers to check bugs but >your numbers are not correct > > >A table of perft results for the start position: >1 20 >2 400 >3 8,902 >4 197,281 >5 4,865,609 >6 119,060,324 >7 3,195,901,860 >8 84,998,978,956 >9 2,439,530,234,167 >10 69,352,859,712,417 > >Source > >http://homepages.caverock.net.nz/~peter/perft.htm > >Note that I do not plan to respond to every post that I disagree with you and it >is a waste of time if you try to teach people in subjects that they know more >than you. Hi Uri, those seems to be numbers of DIFFERENT POSITIONS not of POSSIBLE MOVES. Reinhard.
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