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Subject: Re: Test Move and Position for Pawn Promotion; Here's Another, Clear Cut

Author: Terry McCracken

Date: 09:12:16 04/02/02

Go up one level in this thread


On April 02, 2002 at 11:18:07, Terry McCracken wrote:

>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

Another position where you sac on g6 and Q the pawn, it's clear cut, and the
only way to win. For doubters of the last position, which confused most computer
software and some humans with cxb5?!;)


[D]4k3/pb1q3p/1p3ppP/8/Q7/1B2P3/P4PP1/6K1 w - -



Terry



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