Author: F. Huber
Date: 11:31:45 02/12/04
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On February 12, 2004 at 14:10:47, F. Huber wrote: >On February 12, 2004 at 13:57:56, Roy Eassa wrote: > >>Is there a win here for White? >> >>[d] n1QBq1k1/5p1p/5KP1/p7/8/8/8/8 w - - >>If there IS a win, my computer is of no assistance in finding it. > >Hello Roy, > >it´s (at least) a forced mate in 12! > >ChestUCI Ver.3.3 UCI: > >CPU: Celeron 400MHz >FEN: n1QBq1k1/5p1p/5KP1/p7/8/8/8/8 w - - >Search for Special-Mate [C-/K2/P0/X0] in 15 ... (Hash=48MB) >12 00:31 M12 1.Lc7 >Search completed ... (Time=45.86s) >Special-Mate in 12 found ! (1 Solution in 00:45) >12 00:46 M12 1.Lc7 Dxc8 2.gxf7+ Kh8 3.Le5 Dc5 4.Lb2 Sc7 5.La1 a4 6.Lb2 a3 >7.La1 a2 8.Lb2 a1L 9.Lxa1 Dc3+ 10.Lxc3 Sd5+ 11.Ke6+ Sxc3 12.f8D+ > >I´ll try, if there will be a shorter one. > >Regards, >Franz. I´ve just tested it with the normal ´brute force´ mode, and Chest says "no mate in 11". So the above mate in 12 is indeed the shortest one! Sorry, I forgot to switch Arena to English - here again with english PV: ChestUCI Ver.3.3 UCI: CPU: Celeron 400MHz FEN: n1QBq1k1/5p1p/5KP1/p7/8/8/8/8 w - - Search for Special-Mate [C-/K2/P0/X0] in 15 ... (Hash=48MB) 12 00:31 M12 1.Lc7 Search completed ... (Time=45.86s) Special-Mate in 12 found ! (1 Solution in 00:45) 12 00:46 M12 1.Bc7 Qxc8 2.gxf7+ Kh8 3.Be5 Qc5 4.Bb2 Nc7 5.Ba1 a4 6.Bb2 a3 7.Ba1 a2 8.Bb2 a1B 9.Bxa1 Qc3+ 10.Bxc3 Nd5+ 11.Ke6+ Nxc3 12.f8Q+ Franz.
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