Author: Mike S.
Date: 13:11:53 03/27/02
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On March 27, 2002 at 14:06:44, Art Basham wrote: >White plays 1. Qh3 in this composed problem, and mates in about 11...! >[D]5b2/r2pp2K/2pp2p1/B2k2NP/2nP2Q1/2P5/P1Pp4/3N3b w - - >1. Qh3 is the correct first move here! For long mates, I usually try Chess Tiger or The King. Chess Tinger 14.0 chooses Qh3 very fast after 0:01, but doesn't announce mate until ply 13 / 6 minutes (I don't know which base depth is required in Tiger to reach the necessary 21 plies here, so I stopped the test). P3/700 MHz, 96 MB hash Analysis by Chess Tiger 14.0: 1.hxg6 c5 2.Df5+ Kc6 3.Ld8 cxd4 4.cxd4 Ld5 5.Dxf8 Txa2 6.Dxe7 Txc2 +- (8.00) Tiefe: 7 00:00:00 95kN +- (8.22) Tiefe: 8 00:00:00 163kN 1.Dg1 +- (8.90) Tiefe: 8 00:00:01 231kN 1.Dh3 Le4 2.Sxe4 c5 3.Sxd2 Kc6 4.Sxc4 d5 5.Df3 cxd4 6.hxg6 d6 +- (11.78) Tiefe: 8 00:00:01 375kN +- (15.84) Tiefe: 13 00:06:48 101472kN Regards, M.Scheidl
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