Author: Mike Byrne
Date: 11:25:48 11/15/03
Go up one level in this thread
On November 15, 2003 at 13:20:27, Mike Byrne wrote: >On November 15, 2003 at 12:37:33, Mike Byrne wrote: > >>On November 15, 2003 at 10:56:31, F. Huber wrote: >> >>>Hi Chest-friends! >>> >>>Although I was rather sure, that I´ve reached the end of my ChestUCI >>>development, >>>in the last week I had two interesting ideas of further improvements, which I >>>now have implemented and want to be available to other Chest users too: >>> >>>1) now whenever Chest has found a solution, ChestUCI immediately shows the key >>>mo >>>ve, >>>while Chest is going on to search for possible further solutions! >>>So you can see earlier, if (and when) a solution is found, and the result is >>>bett >>>er >>>comparable with other programs. >>>(Also, if this solution or key move would be enough information, you can stop >>>the >>>whole calculation at this time) >>> >>>2) there´s now a new engine option ´AllSolutions´: (set to ON by default) >>>If you switch OFF this option, Chest only searches for the FIRST solution of a >>>pr >>>oblem, >>>displays it and then stops immediately! >>>This can reduce the complete calculation process dramatically, if you are either >>>interested only in ANY solution, or you know for sure that only ONE solution >>>exis >>>ts. >>> >>>So I hope, that I didn´t promise too much - at least _I_ find these 2 features >>>very practically. ;-) >>> >>>This new ChestUCI-Ver.2.8 is downloadable (as usual) from Alex´ UCI-homepage: >>>http://www.uciengines.de/UCI-Engines/Chest/chest.html >>> >>>My best wishes to all chess friends, >>>Franz. >> >>Excellent enhancements ..thanks > >here's your nontrivial mate probelm solved by Crafty. > >The Chessbase GUI shows an inaccurate while running a modified Crafty as an UCI >engine. Outside of the Chessbase, Crafty shows correct the mate-in-9. > >New game >[d]3Q4/5q1k/4ppp1/2Kp1N1B/RR6/3P1r2/4nP1b/3b4 w - - 0 1 > >Analysis by Crafty 19.04 SE: > >1.Bxf3 g5 2.Qe7 Qxe7+ 3.Nxe7 Be5 > +- (4.45) Depth: 4 00:00:00 >1.Bxf3 g5 2.Qe7 Qxe7+ 3.Nxe7 Be5 > +- (4.45) Depth: 4 00:00:00 >1.Bxf3 > +- (4.85) Depth: 5 00:00:00 >1.Bxf3 g5 2.Qe7 Qxe7+ 3.Nxe7 Be5 > +- (4.84) Depth: 5 00:00:00 >1.Bxf3 d4 2.Bxe2 Bxe2 3.Rxd4 Be5 4.Rh4+ Bh5 5.f4 > +- (5.11) Depth: 6 00:00:00 128kN >1.Bxf3 d4 2.Bxe2 Bxe2 3.Rxd4 Be5 4.Rh4+ Bh5 5.f4 > +- (5.11) Depth: 6 00:00:00 365kN >1.Bxf3 > +- (5.51) Depth: 7 00:00:00 424kN >1.Bxf3 Nf4 2.Rxf4 Bxf4 3.Bxd1 e5 4.Nd6 > +- (6.06) Depth: 7 00:00:00 651kN >1.Rb7 Qxb7 2.Bxg6+ Kxg6 3.Qg8+ Kxf5 4.Qg4+ Ke5 5.Qh5+ Rf5 6.f4+ Bxf4 7.Qxe2+ >Bxe2 8.Re4+ dxe4 9.d4# > +- (#8) Depth: 7 00:00:01 1086kN >1.Rb7 Qxb7 2.Bxg6+ Kxg6 3.Qg8+ Kxf5 4.Qg4+ Ke5 5.Qh5+ Rf5 6.f4+ Bxf4 7.Qxe2+ >Bxe2 8.Re4+ dxe4 9.d4# > >(Byrne, Secane, PA USA 15.11.2003)
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