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Subject: Re: Test Move and Position for Pawn Promotion

Author: Terry McCracken

Date: 08:18:07 04/02/02

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On April 02, 2002 at 01:52:25, Ed Schröder wrote:

>On April 01, 2002 at 19:27:01, Terry McCracken wrote:
>
>>On April 01, 2002 at 18:38:44, Terry McCracken wrote:
>>
>>>On April 01, 2002 at 17:56:12, Art Basham wrote:
>>>
>>>>Here white plays Bxg6..!!
>>>>(taken from the Yazgac test suite...)
>>>>
>>>>[D]r1b5/p2k1r1p/3P2pP/1ppR4/2P2p2/2P5/P1B4P/4R1K1 w - -
>>>>
>>>>I do not know if a computor program can find this one or not..:-)
>>>
>>>
>>>Fritz 7 on my slow P-III 500 finds Bxg6 in 4'56" while running Norton's in the
>>>background, and on the net. Slow's the "Old Horse" down a bit!;~)
>>>
>>>Shredder failed but once it see it it remembers...even when I cleared learning!
>>>Hmmm...
>>>
>>>I'll try Junior next. Junior 7 failed after 8min. + at 18ply
>>>
>>>Then Tiger and Century 4
>>
>>
>>Tiger 14 00:05:23.6	1.36	14	53104665	Bxg6 hxg6 Re7+ Rxe7 dxe7+ Kxe7 Rd8 Kxd8 h7
>>bxc4 h8Q+ Kd7 Qh3+ Kc7 Qf3 Bb7 Qxf4+
>>
>>Gandalf 5.1 was putting me to sleep, to slow at searching.....failed.
>>
>>
>>Century 4 is amazing in analysis mode it took 1'57" and in normal mode found at
>>9 plys and 15 sec. Bxg6!
>>
>>Well Done Ed!!
>>
>>Terry
>
>
>I am familiar with the position since it is my (try first) test database. In
>this position much has to do with the evaluation that comes after the promotion
>of the h-pawn.
>
>Ed

Well you're much too modest Ed;) It might be a good idea that other programmers
take a similar approach in such endings. I've come across others with a similar
theme.

Terry



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