Author: Joachim Rang
Date: 13:29:37 09/25/03
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On September 25, 2003 at 15:26:05, John Merlino wrote: >On September 25, 2003 at 14:52:24, Joachim Rang wrote: > >>On September 25, 2003 at 14:02:18, John Merlino wrote: >> >>>On September 25, 2003 at 12:08:17, Will Singleton wrote: >>> >>>>[D]6k1/8/p3p2p/2Q5/1N2qp2/8/5K2/8 b - - 0 47 >>>> >>>>Black has the option of Qe3+, going into a 3 pawns vs knight game. It appears >>>>from analysis that after the queens are off, white cannot stop all the pawns. I >>>>don't know whether it's possible to win without trading queens (doesn't look >>>>like it), but it appears certain that Qe3+ will win. However, programs are >>>>reluctant to play it. >>> >>>Even after forcing 1...Qe3+ 2.Qxe3 fxe3+ 3.Kxe3 a5, Chessmaster 9000, on a >>>P4-2.4, does not see a win for Black after four minutes (this is, of course, >>>without tablebases): >>> >> >>after 1...Qe3+ 2.Qxe3 fxe3+ 3.Kxe3 you have a 6-piece endgame, so TB will >>probably help a lot :-) >> >>regards Joachim > >Not for Chessmaster, as it does not use them in the search. And, as far as I >know, the KNKPPP 6-man file has not yet been built. > >jm I think Marc Boushinnsky has built this table. But I don't know for sure. maybe there is already a Nalimov-Tablebase for KPPPKN? regards joachim
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