Author: Uri Blass
Date: 06:47:35 04/29/01
Go up one level in this thread
On April 29, 2001 at 09:35:29, leonid wrote: >On April 29, 2001 at 08:46:37, Paul wrote: > >>On April 29, 2001 at 08:36:44, Uri Blass wrote: >> >>>On April 29, 2001 at 07:32:15, leonid wrote: >>> >>>>Hello! >>>> >>>>I know that I should never indicate here any position like this, but it is just >>>>too seductive! Only really dedicated man or highly performant mate solver can >>>>crunch it. >>>> >>>>[D]Qrbqkbr1/Qn3qPP/NQqQq1nB/1qNqQBq1/1Qq1q2Q/8/3RR3/4K3 w - - >>>> >>>>Please indicate your result. >>>> >>>>Thanks, >>>>Leonid. >>> >>>Both Junior5.9 and chessmaster6000 believe that QxQ+ is an easy win. >>> >>>They do not suggest the same move but the evaluation of Junior5.9 is +3.31 pawns >>>for white when the evaluation of chessmaster6000(ss=10) is +10.36 pawns for >>>white. >>> >>>Junior5.9 says 1.Qexe6+ when Chessmaster6000(ss=10) says 1.Qbxd8+ >>> >>>Junior5.9 used 37 minutes and 11 seconds on p200 to get +3.31. >>>Chessmaster6000(ss=10) needed 14 minutes and 58 seconds on PIII450 to get the >>>+10.36. >>> >>> >>>Uri >> >>I think it's a mate in 12, but can't participate coz I'm no champion ... :( >> >>Groetjes, >>Paul > >If nobody will come with better result you will become champion by default. > >Salut to Champion! > >Leonid. I guess that it is mate in at most 11 moves. I have no idea what is the right move but I guess that it is not going to be easy to prove that I am wrong. Junior5.9 likes Qexe6+ more and the score at iteration 11 is +3.61 for white. Chessmaster6000(ss=10) suffered from an horrible branching factor at depth 6 and needed almost 2 hours to get a score. The score at depth 6 is +10.60 so there is more evidence that Qbxd8+ is winning. If it does not find a better move at this iteration I am going to stop it. Uri
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