Author: F. Huber
Date: 12:53:19 01/03/05
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On January 03, 2005 at 14:47:02, Drexel,Michael wrote: >No, but this mate in 21 is AFAIK still not solved by a computer program > >:-) > >[D]8/8/8/8/8/3Q4/pp1KPPP1/k6n w - - 0 1 > >Michael I´m really very sorry, Michael, but I have to disappoint you! ;-) Here´s ChestUCI´s solution for this ´unsolved´ mate in 21: ChestUCI Ver.3.7: CPU: Celeron 400MHz FEN: 8/8/8/8/8/3Q4/pp1KPPP1/k6n w - - Suche nach Spezial-Matt [C0/K3/P2/X7] in 21 ... (Hash=64MB) 21 00:43 2.565.559 95.515 +M21 1.Dd4 Suche abgeschlossen ... (Zeit=43.23s) Matt in 21 gefunden ! (1 Lösung in 00:43) 21/21 00:43 4.234.979 97.963 +M21 1.Dd4 Kb1 2.De4+ Ka1 3.De5 Kb1 4.Df5+ Ka1 5.Df6 Kb1 6.Dg6+ Ka1 7.Dg7 Kb1 8.Dh7+ Ka1 9.Dh8 Sxf2 10.Kc2 Sd1 11.Kb3 Kb1 12.Dh7+ Ka1 13.Dg7 Kb1 14.Dg6+ Ka1 15.Df6 Kb1 16.Df5+ Ka1 17.De5 Kb1 18.De4+ Ka1 19.Dd4 Sc3 20.Dxc3 Kb1 21.De1+ Bester Zug: Dd4, Wert: +Matt in 21, Tiefe: 21/21, Dauer: 00:43,687, 4.234.979 Knoten, 97.963 K/sek So you´ll have to look for another ´unsolved´ mate position ... ;-) Best regards, Franz.
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