Author: James Robertson
Date: 15:58:10 10/24/00
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On October 24, 2000 at 18:25:31, Uri Blass wrote: >On October 24, 2000 at 16:58:29, Uri Blass wrote: > >>[D]1r4k1/p3QNpp/1p3n2/8/8/5P2/Pq3P1P/4R1K1 w - - 0 1 >> ><snipped> >>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). > >I can add that Qf5 in this line is another hard move to find and programs may >need many minutes to find. > >Here is the position when you need to find Qf5 > >[D]1r5k/p5p1/1p2Qn2/6Np/8/5P2/Pq3P1P/4R1K1 w - - 0 1 > >Fritz6light can find it in less than a minute on my pentiumIII450 but Hiarcs7.32 >cannot see it in 30 minutes. > >Crafty17.11 also have problems in this position and needs more than 20 minutes >to see Qf5. > >Crafty at depth 13 considers Qf5 for many minutes so I guess it is going to find >it. > >I used Crafty17.11 as an engine for Hiarcs >The programs got the all game as the data and not only the position before Qf5. > >Uri Insomniac 0.69a needs 50 seconds on my P933 to find Qf5 (depth 11). I have it working on Qe6 now, but I suspect this may be too much to ask.... James
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