Author: Dann Corbit
Date: 13:15:02 02/05/01
Go up one level in this thread
On February 05, 2001 at 16:11:07, José Antônio Fabiano Mendes wrote: >On February 05, 2001 at 15:39:10, Heiner Marxen wrote: > >>On February 05, 2001 at 13:32:39, José Antônio Fabiano Mendes wrote: >> >>> Mate in 30 ==> Please see: http://www.computerchess.com/shredder_tipps_e.html >> >>That one has already been posted in this forum >>by Vincent Diepeveen on December 27, 2000 at 09:43:05, under the subject >>Re: What is the most difficult MATE to find for a computer program ??? >> >>Chest cannot do this one. There is "no mate in 13" needs already 4.3 hours, >>while the EBF is 7.9. So: no chance, currently. >> >>Heiner > > Thanks for the information,I missed that message. > But here is a "Mate in 9",maybe Chest can prove that 9 is indeed minimum. > [D]8/8/8/8/bB1N4/Np2p2n/p2pP3/k2K4 w > Source: http://www.phys.uu.nl/~vdbilt/problems/chessproblem.html JAFM Instantaneous: E:\>chest319 -b -z 9 -M 200 m9.epd 8/8/8/8/bB1N4/Np2p2n/p2pP3/k2K4 w - - acn 11331; acs 0; bm Bc3+; ce 32750; dm 9; pv Bc3+ b2+ Ndc2+ Bxc2+ Kxc2 d1=Q+ Kxd1 Nf2+ Kc2 Nd1 Bxb2+ Nxb2 Kc1 Nd3+ exd3 e2 Nc2#;
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