Author: blass uri
Date: 10:44:16 02/12/99
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On February 12, 1999 at 13:12:35, Dann Corbit wrote: >On February 12, 1999 at 12:33:53, blass uri wrote: > >>8/p2q4/4pQ2/p2p4/p1pQ1K2/2p2b2/1N1N1n1p/2B4k b - - 0 1 >> >>This is a study I composed a few years ago. >> >>black say mate in 17.5 against itself. >>I used Genius3 for many hours to help me to compose and to check the endgame. >> >>The main line is 1...e5+ 2.Kxf3 Qh3+ 3.Kxf2 Qg2+ 4.Ke1 exd4 5.Qf1+ Qxf1 6.Kxf1 >>cxb2 7.Bxb2 c3 8.Nb1 cxb2 9.Kf2 a3 10.Nxa3 a4 11.Nb1 a3 12.Nxa3 d3 13.Nb1 a5 >>14.Nd2 b1Q 15.Nxb1 a4 16.Nd2 a3 17.Nf1 a2 18.Ng3# >What a great problem! >Not only is the setup interesting, but there are so many interesting >alternatives. > >The best thing about watching the computer pound on this position is the >manic-depressive evals. Happy-Sad, Happy-Sad, Happy-Sad, Happy-Sad... >Like watching a bouncing ball. I did not solve it yet. I might give it a big >pound tonight. I think that no program can solve it. I doubt if a program can find 5.Qf1+ I used the next best in Genius3 for many hours to prove that there is no better alternative for black. I analyzed the other options of white in every move for many hours and did not find another win for white. Uri
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