Author: Bernhard Bauer
Date: 05:13:00 06/02/99
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On June 02, 1999 at 07:52:15, blass uri wrote: > >On June 02, 1999 at 06:58:04, Bernhard Bauer wrote: > >>On June 02, 1999 at 05:00:17, Dan Newman wrote: >> >>>Well, I tried mine out on these at 1 min / position on a P6/200 >>>and got the key move in 10 out of 16, but no mates. I then tried >>>them at 1/2 hr each and still got 10/16 and no mates. Finally, I >>>tried the first one for two hours -- still no mate... >>> >>>On the next to last (BWTC.0647) my program likes to force a >>>repetition draw all the way through the 18 ply search -- no >>>guarantee there isn't a mate though. >>> >> >>This position is so simple and nice that you should have a look at it >>and solve it yourselv. Not only your program fails, Crafty16.8 fails too. >>I guess your program depends heavily on null move? >>Oh, I'm missing the point again, sometimes I feel like a null-move-basher. >>But as we all know such positions do *never* apear in practice, so why care? > > >I do not believe that such positions never appear in practice. > Ah hmm ... do I? >Junior has no problem to find the move but cannot find the mate because it does >not use nalimov tablebases. > >I think that it is simple to find mate in X here. >You only need to use the KQvs KPP tablebases and not to use the null move. > Looks like a mate in 16. Kind regards Bernhard >Uri
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