Author: Uri Blass
Date: 21:14:36 02/19/01
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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
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