Author: Tony Werten
Date: 11:25:14 03/17/01
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On March 17, 2001 at 12:21:45, Sune Larsson wrote: > > [D]8/2R5/k7/P7/2PK4/8/1P2r3/8 w - - 0 1 > > > This position was sent to me just two hours ago (thanks!) > White has a won position but must avoid the last trap, > which is 1.b4?? and a draw. The programs I have tried > sees this but in different speed. (PIII 800) > > Deep Fritz 0 sec > Nimzo 8 2 " > Hiarcs 7.32 2 " > Crafty 18.03 20 " > Fritz 5.32 48 " > > > Test: 1) Does your program realize that 1.b4?? is a draw? > 2) How much time needed? Oops, XiniX results on AMDK6-333, 40 Mb hash 9/16 3,298 8s 56 Kn/s 1.b4 Re4+ 2.Kd5 Rd4+ 3.Ke5 Re4+ 4.Kd6 Rd4+ 5.Ke6 Re4+ 10/18 3,131 14s 81 Kn/s 1.b4 Re4+ 2.Kd5 Rd4+ 3.Ke5 Re4+ 4.Kd6 Rd4+ 5.Ke6 Re4+ 11/20 3,115 26s 109 Kn/s 1.b4 Re4+ 2.Kd5 Rd4+ 3.Ke5 Re4+ 4.Kd6 Rd4+ 5.Ke6 Re4+ 12/22 3,048 53s 132 Kn/s 1.b4 Re4+ 2.Kd5 Rd4+ 3.Ke5 Re4+ 4.Kd6 Rd4+ 5.Ke6 Re4+ 13/24 b4 Fail Low 13/24 0,000 130s 145 Kn/s 1. b4 Re4+ 2. Kxe4 Tony > > Sune
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