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Subject: Re: Crafty 19.19 to catch too. A new K.O.

Author: Robert Hyatt

Date: 07:40:22 05/14/05

Go up one level in this thread


On May 14, 2005 at 01:06:41, Joshua Haglund wrote:

>On May 13, 2005 at 22:48:44, Robert Hyatt wrote:
>
>>On May 13, 2005 at 19:21:37, Joshua Haglund wrote:
>>
>>>On May 13, 2005 at 13:48:27, Pablo Ignacio Restrepo wrote:
>>>
>>>>Hello Robert
>>>>It was a mistake in redaction. Antiajedrez or Antichess have been my extreme
>>>>anticomputer style, across I have won many times many top engines in all time
>>>>game control. But usually Crafty have been for me a real problem for beat, iqual
>>>>than Rufian, Tiger Gambit 2.0 , Quark .....
>>>>Usually I am playing into playchess. There I have won many top engines, but to
>>>>repeat..... Craftuy have ben very strong, but today in morning look ...... 2
>>>>easy draw. Why?
>>>>Regard,
>>>>Pablo
>>>
>>>
>>>Hello Pablo,
>>>
>>>I've told you a couple times, if you remember, Dr. Hyatt removed the stone-wall
>>>detection code in version 19.15. It was removed because it appeared to Dr. Hyatt
>>>it wasn't needed anymore.
>>>
>>>As a result it should be easier for you using "anti-chess" playing Crafty.
>>>
>>>Joshua Haglund
>>>toneewa@yahoo.com
>>
>>
>>If I looked at the game correctly, this wasn't a stonewall type problem, it was
>>just e4 Nf3 and Bc4 for white if I am recalling the right game (I have looked at
>>several today so that could be wrong).
>
>[D]k1/2rbp1pp/1p3p1r/p2P1P2/P1P1B1P1/1P2R2P/5NK1 b - - 0 121
>[D]n3/2rr1q1k/1p1p1p1p/p1p1pPpP/4P2N/P1PP2Q1/1P3PRK/6R1 b - - 0 38
>
>These are to me "stone-wall" positions. I don't know how Crafty use to detect
>the "stone wall"... by pawn formation positions or by recognition of particular
>moves; maybe both. Pablo use to play Crafty and have not much luck before the
>removal of the "stone-wall" detection.
>
>Joshua Haglund
>toneewa@yahoo.com


The stonewall code looked for pawns at f4, e3, d4, c3.  If three of those were
present, it assumed "stonewall"...  This doesn't seem to match...



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