Author: Jürgen Hartmann
Date: 04:56:13 12/05/98
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On December 04, 1998 at 06:05:10, blass uri wrote: > >On December 04, 1998 at 05:29:33, Jürgen Hartmann wrote: > >>The thing I enjoy to do with a chess program is interactive analysis. Trying >>different lines with a program gives you the illusion to do something >>intelligent and achieves superior results to just letting it run endlessly on >>one position on its own. >> >>In the famous game Maroczy vs. Tartakower from 1922, Black build up a typical >>Stonewall kings attack and crowned it with an intuitive rook sacrifice. For a >>human it is easy to see the immense practical chances of this sacrifice and it >>would be the first candidate move to calculate. But Junior5 and the Crafty >>engine don't find it overnight on my P300. >> >>The position after 17.Nd2 was >> >>r1b3k1/pp1n3p/2pbpq1r/3p4/2PPp1p1/PP2P1P1/1BQN1P1P/3RRBK1 b - - 0 17 >> >>17... Rxh2!! >> >>Does any program see this? >> >>The question is: Do we have a fantastically tough testing position in the league >>of Nolot here or is it simply incorrect? > >I think that it is simply incorrect >for example white can defend by 21.Qc3(Junior5's move) > >Uri 21.Qc3 (protecting e3 to free the rook) Nh5 22.Rg2 Qh4+ 23.Kg1 Ng3 24.Rh2 Qg5 (not Qxh2+ 25.Kxh2 Ne2+ =) 25.Rf2 Nf5 26.Re2 Nh4 27.Bg2 Nf3+ and Black wins. Jürgen
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