Author: blass uri
Date: 03:37:21 03/28/99
Go up one level in this thread
On March 28, 1999 at 02:32:15, Jeremiah Penery wrote: >On March 28, 1999 at 01:14:55, blass uri wrote: > >> >>On March 28, 1999 at 00:10:37, Paulo Soares wrote: >> >>>On March 27, 1999 at 10:38:07, Goette Patrick wrote: >>> >>>>Hello, >>>> >>>>Here is a position taken fom a study from Selesniev (1919), which is interesting >>>>to submit to computers to see how they react. If black play the best line, they >>>>will only get a draw, this according to my program Hiarcs 6.0. >>>>And yours ? Does it find something else ? >>>> >>>>White to move. >>>>White : Ka4,Re1,b5,c4,d5,g4,g5 >>>>Black : Kh8,Rh3,b6,c7,d7,e3,f7,g6,g7 >>> >>>Goette, >>> >>>This study could be called whites play and draw? >>> >>>1.d6 cxd6 2.c5 dxc5 3.Rxe3 Rh2 4.Rh3+ Rxh3 stalamate. >>> >>>If this will be the main line, Crafty16.5 T, >>>Fritz5.32 and Genius6 does not find this >>>variant in aproach 7 minutes in PII-300 HT=60Mb. >>> >>>Best regards, >>> >>>Paulo Soares, from Brazil >> >>Junior5 can see the sraw in 2 minutes and 54 seconds at depth 21 on >>pentium200MMX(64M hash tables) >>Junior5.3 is slower in this position(there are of course positions that >>Junior5.3 is faster) and needs 3 minutes and 31 seconds to see the draw. >> >>Even Junior4.6 can see the draw in less than 10 minutes on pentium200 >>(eqvivalent to less than 7 minutes on pentium300) >> >>If you want your program to solve this position at tournament time control then >>buy Junior. >> >>Uri > >How does Junior/Fritz evaluate the position after 2. ...bxc5 ? Crafty gives a >nice advantage for black, but actually white will eventually win (Long Tablebase >wins are finally seen after about 20-25 plies are played). If Fritz/Junior give >advantage to black in this position, this is the move that they should pick for >black. > >Jeremiah Junior5.3 gives advantage for white after 68 seconds at iteration 17. Junior's evaluations:0.22:17,0.52:18,0.63:19,0.63:20,0.83:21(after 425 seconds) Fritz5(16 bit)'s evaluations -0.56:15,-0.25:16 failed high ,-0.09:16,-0.03:17,0.09:18(only after almost 9 minutes) Uri
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