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Subject: Re: How Greedy is your Program? Good Positional Test!

Author: Terry Ripple

Date: 22:43:47 04/17/99

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On April 18, 1999 at 01:14:36, Micheal Cummings wrote:

>
>On April 17, 1999 at 22:09:48, Will Singleton wrote:
>
>>On April 17, 1999 at 10:13:07, Brian Smith wrote:
>>
>>>On April 15, 1999 at 23:44:46, Micheal Cummings wrote:
>>>
>>>>
>>>>On April 15, 1999 at 23:15:08, odell hall wrote:
>>>>
>>>>>Hi
>>>>>
>>>>>
>>>>>The below position is taken from the Book Secrets of Chess Analysis by Jan
>>>>>timman.
>>>>>
>>>>>3q1rk1/1p3p2/r2p2pb/P1pP1n1p/2N2P2/1QPP4/6BP/1R3RK1 w - - id Geller - Spaasky;
>>>>
>>>>CM6K after 20sec likes Bh3, And at 5mins when I stopped the Analysis it still
>>>>liked it with Bh3   +1.01
>>>
>>>Yes, but later on it switches to Qb7 and then back to Bh3 after it sees Rxa5.
>>>(Before that it didn't play Qb7 for other reasons.)  I wonnder how many programs
>>>actually see Rxa5...
>>
>>
>>Mine does, but it still likes Qxb7.
>>
>>Will
>
>Nope mine only ever likes apart from right at the start Bh3. This is even after
>2 hours of Analysis on a PII 450 256meg on 16meg hash.
>
>It did look at others but it never changed or registered a score for them.


 I tested this Position on an AMD 266Mhz 64Ram. The Hash table set for 16meg on
my CM6K. At 17 seconds it shows Bh3(1.01)and continues to show this up until
4min and 14sec.and then shows Qxb7(.94)at 10ply.I left it continue for a full 10
min.with no change!
                        Terry R.



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