Author: Enrique Irazoqui
Date: 02:25:00 10/25/00
Go up one level in this thread
On October 24, 2000 at 21:39:38, Paulo Soares wrote: >On October 24, 2000 at 19:03:18, Enrique Irazoqui wrote: > >>On October 24, 2000 at 16:58:29, Uri Blass wrote: >> >>>[D] 1r4k1/p3QNpp/1p3n2/8/8/5P2/Pq3P1P/4R1K1 w - - 0 1 >>> >>> >>>I am interesting to know how much time do chess programs need to find Qe6 >>>that is probably a winning move because of the line Qe6 h5 Ng5+ Kh8 Qf5 and >>>black is in real trouble(for example Qxa2 Re7). >>> >>>Programs without the luck of being called gambit tiger may need many hours to >>>find Qe6 so please give them time. >> >>Analysis by Deep Fritz T28: >> >>23.Qxf6-- Qxf6 >> -+ (-3.87) Depth: 1/2 00:00:00 >> -+ (-6.53) Depth: 1/3 00:00:00 >>23.Qxa7 Rf8 24.Ne5 Qd2 25.Re3 Qd1+ 26.Kg2 >> -+ (-2.31) Depth: 1/3 00:00:00 >> = (0.00) Depth: 5/13 00:00:00 4kN >>23.Nd8 h6 24.Ne6 Nh5 25.Qxa7 Rc8 26.Qd7 Qc3 27.Kg2 Qc6 28.Qxc6 >> = (-0.12) Depth: 5/13 00:00:00 11kN >> ² (0.66) Depth: 15/34 00:03:54 123343kN >>23.Qe6 h5 24.Ng5+ Kh8 25.Qf5 h4 26.Re4 Qc1+ 27.Kg2 Qc8 28.Rxh4+ Kg8 >> ² (0.69) Depth: 15/37 00:07:13 227998kN >> ± (1.03) Depth: 17/39 00:28:31 903867kN >> >>Enrique > >Just to do a comparison between Fritz6a and Deep Fritz T28, >but I don't know about your hardware. > >Paulo P600E, 184MB hash. Enrique >Fritz 6 - PIII-450 HT=105Mb >1r4k1/p3QNpp/1p3n2/8/8/5P2/Pq3P1P/4R1K1 w - - 0 1 > >Analysis by Fritz 6: > >1.Qxa7 > = (0.06) Depth: 1/3 00:00:00 > >1.Nd8! > = (-0.22) Depth: 5/14 00:00:00 10kN >1.Nd8 h6 2.Ne6 Nh5 3.Qc7 Re8 4.Qd7 Rb8 5.Qxa7 > ² (0.56) Depth: 15/35 00:05:14 114725kN > >1.Qe6 > ² (0.59) Depth: 15/37 00:14:32 316972kN >1.Qe6 h5 2.Ng5+ Kh8 3.Qf5 h4 4.Re4 Qc1+ 5.Kg2 Qc8 > ± (1.00) Depth: 16/38 00:27:13 589588kN > >(Soares, Cabo Frio 24.10.2000) > >> >>>I am interested to know the score of programs that prefer a different move >>>because I am not sure in 100% that Qe6 is the only winning move. >>> >>>I am also not sure in 100% that the black is losing in the position that >>>kasparov resigned(I believe that black is losing but I think that the decision >>>to resign was too early and it is better to resign only if you sure that you are >>>losing and advantage of rook against a knight is not a good reason to resign >>>when there are queens on the board). >>> >>>Uri
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