Author: Drexel,Michael
Date: 12:53:44 01/02/03
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On January 02, 2003 at 14:34:13, Dieter Buerssner wrote: >On January 02, 2003 at 14:03:42, Manfred Rosenboom wrote: > >>Yace needs a while, but from depth 11 on it finds the move. >>Also in depth 13 Yace announce a mate in 16. This announcement may be wrong, but >>at least there must be a mate. > >Manfred, I think with most chess engines (not mate solvers) mate announcements >must be interpreted as: It is at least a mate that long, it may be faster. In >this sense, announcing mate in 16 is not wrong. BTW. Here my current version >announces mate in 15. But this can also be pure luck, and with a different hash >table size, it might first find mate in 16, too. > >IIRC, the position was discussed here not too long ago. > >Regards, >Dieter Hello Dieter, Shredder 7 is not able to find the mate at depth 17/50 1026360kN PV: -+(-3.12) 1.h5 Kh8 2.hxg6 Sg5 3.Le3 Tgf8 4.Ta7 Dxa7 5.Sxc6 Da8 6.Sxb8 Dxb8 7.Lf4 Da7 at this depth shredder 7 evaluates 1.h5 (1/44) for minutes and 1.Qxg6+ (3/44) for roughly two seconds. at which depth do you think it would find the mate? 30/30? this 'behaviour' has obviously something to do with its superior playing strength.
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