Author: Günther Simon
Date: 08:05:21 10/22/05
Go up one level in this thread
On October 22, 2005 at 09:34:42, Uri Blass wrote: >On October 22, 2005 at 08:08:47, Günther Simon wrote: > >>This position really happened in one of my RWBC games today >>and it revealed a bug in a program. 6 men say it is a win. >>(Shredder Oracle : M27 with best play) >>I am not sure though, if there are programs, which are able >>to win this without tablebases at all? (in reasonable time ;) >> >>Guenther >> >>[D]4r3/8/8/8/8/6bk/7p/3R3K b - - 0 76 > >I doubt if there are programs that can find it without tablebases at reasonable >time because I expect KRB vs KR to be prune based on no threat but >Yace with 5 piece tablebases agree with shredder Oracle > >New game, 4320'/1 >4r3/8/8/8/8/6bk/7p/3R3K b - - 0 1 > >Analysis by Yace 0.99.87: > ... >1...Bf4 2.Rf1 Kg4 3.Rb1 Rc8 4.Rf1 Be3 5.Kxh2 Rd8 6.Kg2 Rd2+ 7.Kh1 Bf2 8.Kg2 Bg3+ >9.Kg1 Re2 10.Rd1 Bf4 11.Rd3 Be3+ 12.Kf1 Kf3 13.Rd7 Rh2 14.Rf7+ Bf4 15.Rg7 Rc2 >16.Re7 Rb2 17.Re8 > -+ (-#27) Depth: 22/51 00:29:39 2527052kN > >(, 22.10.2005) > >Uri Thanks for the cpu time Uri. I have one question though, did you analyse this with 5 men + Yaces' bitbases or without bitbases? (Those would probably speed it up a 'bit') Guenther
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.