Author: Uri Blass
Date: 10:35:17 03/23/01
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On March 23, 2001 at 12:34:01, Tanya Deborah wrote: >On March 23, 2001 at 05:32:07, Uri Blass wrote: > >>On March 23, 2001 at 01:54:29, Heinz-Josef Schumacher wrote: >> >>>The follow study is not soluble for progrms today!? >>> >>>5nr1/2Pp2pk/3Pp1p1/4P1P1/6P1/5K2/8/7n w - - >>> >>>http://homepages.compuserve.de/hjsxy/2.gif >>> >>>M.Judowitsch- Study 1976 >>> >>>1.c8N!! [1.Kg2? Rh8 2.Kxh1 Kg8+ 3.Kg2 Rh4=). 1...Rh8 2.Ne7 Nf2 3.Kxf2 Rg8 4.Ke3 >>>Kh8 5.Kd4 Kh7 6.Kc5 Kh8 7.Kb6 Kh7 8.Kc7 Rh8 9.Kd8 Rg8 10.Ke8 Rh8 11.Kf7 Rg8 >>>12.Nxg8 Kh8 13.Kxf8 1-0 >> >> >>I showed yace the following line >>1.c8N Kh8 2.Ne7 Nf2 3.Kxf2 Kh7 4.Ke3 Kh8 5.Kd4 Kh7 6.Kc5 Rh8 7.Kb6 Rg8 8.Kc7 Kh8 >>9.Kd8 Nh7+ 10.Nxg8 Kxg8 11.Kxd7 Kf8 12.Kc7 Nxg5 13.d7 Nf7+ 14.d8Q+ Nxd8 15.Kxd8 >> >>Black's moves were suggested by yace. >>After it I took the moves back slowly. >> >>The result is that Yace shows 1.c8N with a score of +7.46 at depth 25. >> >>The main line is 1.c8N Rh8 2.Ne7 Nf2 3.Kxf2 Rg8 4.Ke3 Rh8 5.Ke4 Rg8 6.Kd4 Rh8 >>7.Kc5 Rg8 8.Kb5. >> >>Uri > >Hi Uri, But... Which line of play displayed Yace if you do not show the main >line ? Did it find c8N for himself? No I do not believe that it can find it without seeing the solution first but at least it can understand that the solution is correct. Uri
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