Author: John Merlino
Date: 09:01:39 03/28/02
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On March 28, 2002 at 10:30:06, SedatCambaz wrote: >Hi there, >I created a position on two computers(P 3-550 MHz and P 4-1400MHz)in Fritz 7 >-Gui(Queen against Rook),ý used no tablebases,timecontrol 40m in 40min.All >engines(Fritz 7,Chess Tiger 14.0,Shredder 6.02,Junior 7,Crafty 18.14,Sos for >Arena,Yace 0.99.56) found very quickly the mate(about in 15moves-20moves). >Only The King 3.12d could not find the mate. >His oponent was Fritz 7 with white pices and The King 3.12d was with black .If >anybody wants to try by itself-The position is here: > black to move ! > >white: Kc2 Rd3 > >black: Qd4 Ke5 > Using an testing version of Chessmaster 9000 (which uses tablebases), the position was played out as follows (in a total of about 12 seconds from start to finish): [Event ""] [Site ""] [Date "2002.3.28"] [Round ""] [White "Chessmaster"] [Black "Chessmaster"] [TimeControl "600"] [Result "0-1"] [Setup "1"] [FEN "8/8/8/4k3/3q4/3R4/2K5/8 w - - 0 24"] 1...Qa1 2.Rf3 Qe1 3.Rd3 Ke4 4.Rd6 Qf2+ 5.Rd2 Qc5+ 6.Kb3 Qb5+ 7.Kc3 Ke3 8.Rd1 Qc5+ 9.Kb3 Ke2 10.Rb1 Kd2 11.Rb2+ Kc1 12.Ra2 Qd5+ 13.Ka3 Qe6 14.Ra1+ Kc2 15.Kb4 Qe4+ 16.Kc5 Qe5+ 17.Kb4 Qxa1 18.Kc5 Qf6 19.Kd5 Kd3 20.Kc5 Qd8 21.Kc6 Kc4 22.Kb7 Kb5 23.Ka7 Kc6 24.Ka6 Qb6# 0-1 So, apparently, it is a forced Mate in 24.... jm
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