Author: Mike Byrne
Date: 17:01:08 10/21/03
Go up one level in this thread
On October 21, 2003 at 14:09:10, Jouni Uski wrote: >[D] 2r1N2B/PP1RqP1Q/K2nnq1R/Npk3q1/3q1qQr/2qbbQ2/1P1Q3q/1q1B1Q2 w - - > >It's interesting to test this under Fritz8 GUI with 2,4 GHz PC: > >Fritz: no solution in 5 minutes (depth still 1 ply!) >Yace: no solution in 5 minutes >Ruffian: 26 seconds to bxc8R and 10x announcement >Shredder: crash after 2 minutes (in shredder704.dll)! > >Finally the truth = analysis by ChestUCI Ver 2.6: > >1.Qxc3+ Qxc3 2.bxc8Q+ Nxc8 3.Qc6+ Kb4 4.Qxc3+ Qxc3 5.Bxc3+ Kc5 6.Nb3+ Kc6 >7.Rxe6+ Qed6 8.Rexd6+ Nxd6 9.a8Q+ Nb7 10.Qxb7# > +- (#10) Depth: 10 00:23:02 >1.bxc8R+ Nxc8 2.Qc6+ Kb4 3.Qcxc3+ Qxc3 4.Qxc3+ Qxc3 5.Bxc3+ Kc5 6.Nb3+ Kc6 >7.Rxe6+ Qed6 8.Rexd6+ Nxd6 9.a8Q+ Nb7 10.Qxb7# > +- (#10) Depth: 10 00:23:02 >1.bxc8Q+ Nxc8 2.Qc6+ Kb4 3.Qcxc3+ Qxc3 4.Qxc3+ Qxc3 5.Bxc3+ Kc5 6.Nb3+ Kc6 >7.Rxe6+ Qed6 8.Rexd6+ Nxd6 9.a8Q+ Nb7 10.Qxb7# > +- (#10) Depth: 10 00:23:02 > >Jouni it finds the the Bxc8Q solution Mate-in-10 12:45 18,105,267 nodes 23667 nps Hash 16MB this position caused a very slow nps -- due no doubt to the complexity of the position Dell Axim 472 Mhz (oc) Rom 05, WM2003 (PPC 2003)
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