Author: Paulo Soares
Date: 18:39:38 10/24/00
Go up one level in this thread
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 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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