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Subject: Re:Slightly deeper mate.

Author: Mike Byrne

Date: 19:06:05 10/18/03

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On October 18, 2003 at 11:05:38, F. Huber wrote:

>On October 18, 2003 at 10:58:42, Mike Byrne wrote:
>
>>On October 18, 2003 at 10:36:19, F. Huber wrote:
>>
>>>On October 18, 2003 at 10:15:19, Mike Byrne wrote:
>>>
>>>...
>>>>>There are 5 mate-in-7.
>>>>>
>>>>>
>>>>>New game
>>>>>1R2NnqN/3pPpQ1/b3nPpp/K2R2bk/4pPrr/6Pp/4B2P/3N4 w - - 0 1
>>>>>
>>>>>Analysis by ChestUCI Ver.2.3:
>>>>>
>>>>>1.Kxa6 Nc7+ 2.Nxc7 Qxg7 3.fxg7 Ne6 4.Nxe6 dxe6 5.Rxg5+ hxg5 6.Nxf7 e3 7.Rh8#
>>>>>  +-  (#7)   Depth: 7   00:00:00
>>>>>1.exf8Q Qxf8 2.Rxg5+ hxg5 3.Qh7+ Qh6 4.Ng7+ Nxg7 5.Qxh6+ Kxh6 6.Nxf7+ Kh5 7.Rh8#
>>>>>  +-  (#7)   Depth: 7   00:00:00
>>>>>1.exf8Q Qxf8 2.Rxg5+ hxg5 3.Qh7+ Qh6 4.Ng7+ Nxg7 5.Qxh6+ Kxh6 6.Nxf7+ Kh5 7.Rh8#
>>>>>  +-  (#7)   Depth: 7   00:00:00
>>>>>1.Ne3 Bxe2 2.exf8Q Qxf8 3.Qxf8 Rxg3 4.hxg3 Bg4 5.Rxg5+ hxg5 6.Nxf7 d5 7.Qh6#
>>>>>  +-  (#7)   Depth: 7   00:00:00
>>>>>1.Ne3 Bxe2 2.exf8Q Qxf8 3.Qxf8 Rxg3 4.hxg3 Bg4 5.Rxg5+ hxg5 6.Nxf7 d5 7.Qh6#
>>>>>  +-  (#7)   Depth: 7   00:00:00
>>>>>
>>>>>(Byrne, Secane, PA USA 18.10.2003)
>>>>
>>>>I misread the output -- looks like 3 "mate in 7's" ,two of them are dupes
>>>
>>>Hello Mike,
>>>
>>>rather strange your results !? (2 duplicates)
>>>
>>>I get the following:
>>>ChestUCI Ver.2.7 UCI:
>>>
>>>CPU: Celeron 400MHz
>>>FEN: 1R2NnqN/3pPpQ1/b3nPpp/K2R2bk/4pPrr/6Pp/4B2P/3N4 w - -
>>>Search for Mate in 10 ...  (Hash=64MB)
>>>Mate in 7 found !  (5 Solutions in 14:42)
>>>D7  14:46  M7  Nh8xf7 Qg8xf7 e7xf8Q Qf7xf8 Rd5xg5+ Ne6xg5 Qg7xf8 Ng5e6 f6f7
>>>Ne6xf4 Ne8g7+ Kh5g5 Qf8e7+
>>>D7  14:46  M7  e7xf8Q Qg8xf8 Rd5xg5+ h6xg5 Qg7h7+ Qf8h6 Ne8g7+ Ne6xg7 Qh7xh6+
>>>Kh5xh6 Nh8xf7+ Kh6h5 Rb8h8+
>>>D7  14:46  M7  Rd5xg5+ h6xg5 e7xf8Q Qg8xf8 Qg7h7+ Qf8h6 Ne8g7+ Ne6xg7 Qh7xh6+
>>>Kh5xh6 Nh8xf7+ Kh6h5 Rb8h8+
>>>D7  14:46  M7  Nd1e3 Ba6xe2 e7xf8Q Qg8xf8 Qg7xf8 Rg4xg3 h2xg3 Be2g4 Rd5xg5+
>>>h6xg5 Nh8xf7 d7d5 Qf8h6+
>>>D7  14:46  M7  Ka5xa6 Ne6c7+ Ne8xc7 Qg8xg7 f6xg7 Nf8e6 Nc7xe6 d7xe6 Rd5xg5+
>>>h6xg5 Nh8xf7 e4e3 Rb8h8+
>>>
>>>Regards,
>>>Franz.
>>
>>must be a quirk in running chest in Fritz gui..
>
>One other suggestion:
>Your copy of ChestUCI is rather old -
>you should better download the latest official release (ver. 2.6).
>
>http://www.uciengines.de/UCI-Engines/Chest/chest.html
>
>I´ve made a lot of improvements since 2.3!
>
>Regards,
>Franz.


Thanks!

Best,

Michael



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