Author: John Merlino
Date: 15:36:21 02/20/01
Go up one level in this thread
On February 20, 2001 at 00:14:36, Uri Blass wrote: >On February 19, 2001 at 15:56:25, Heiner Marxen wrote: > >>On February 19, 2001 at 13:49:37, leonid wrote: >> >>>On February 19, 2001 at 13:43:43, Andreas St. wrote: >>> >>>>On February 19, 2001 at 13:36:59, Andreas St. wrote: >>>> >>>>>Hi, >>>>> >>>>>German Magazine "CSS" 01/01: Position from Gerhard Josten: >>>>> >>>>>white: Kb5;;Qa1,b3,d6,g7;;Ra3,d3;;Nb1,e3;;Pd2 >>>>>black: Ke4;;Qb8;;Rf5,g8;;Bb2,b7;;Na2,b4,c2;;Pc5,c7,d4,e5,f4,f6,h4 >>>>> >>>>>Mate in 13: 1.Kc4 >>>>> >>>>>Chessmaster 6555 sees mate in 13 (says 12) in 2:41 min on Athlon 650 - 128 MB >>>>>hashtables. >>>>> >>>>>Which programme is faster? >>>>> >>>>>Greets >>>>> >>>>>AS >>>> >>>[D]1q4r1/1bp2pQ1/3Q4/1Kp1pr2/1n1pkp1p/RQ1RN3/nbnP4/QN6 w - - 0 1 >> >>Uh, that is an ugly one for Chest. For "no mate in 9" it needs already >>32 minutes (K6-3/400, 60MB hash). Its heuristic for choosing defender >>moves seems to be fooled quite often, which is surprising for me. >>This heuristic normally is quite successful. >> >>Chest gives up :-( >> >>Heiner > >Maybe chessmaster can help to prove it. > >The first thing that it needs to do is to solve a mate for black after every >legal move except Kc4. > >It seems possible because Junior5.9 with the 2 options says that the second best >move for white(1.Rxd4+) has evaluation of 8.07 pawns against itself. > >Uri I let Chessmaster 8000 go for over an hour, and it still only says Mate in 13. jm
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