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Subject: Re: A little "bug" in Glaurung 1.0

Author: Keith Hyams

Date: 13:54:55 01/13/06

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On January 13, 2006 at 16:13:44, F. Huber wrote:

>On January 13, 2006 at 15:34:40, Keith Hyams wrote:
>
>>On January 13, 2006 at 13:03:20, F. Huber wrote:
>>
>>>On January 13, 2006 at 11:20:48, Tord Romstad wrote:
>>>
>>>>Hi all,
>>>>
>>>>Uri just informed me on the Winboard Forum that I've made a
>>>>small mistake in Glaurung 1.0:  The "Static pruning depth" parameter
>>>>was supposed to have a default value of 2, but I have accidentally
>>>>chosen the value 1 instead.  I recommend changing the value to 2
>>>>for serious tests and tournaments.
>>>>
>>>>This is not extremely important.  In fact, I am still not 100% sure
>>>>that Static pruning depth = 2 is better than 1.  More tests are needed.
>>>>
>>>>Tord
>>>
>>>Just an information:
>>>
>>>If anyone wants this change (from 1 to 2) permanently in the EXE-file, then
>>>simply edit the byte 21870hex from 31hex to 32hex in ´glaurung.exe´ ...
>>>
>>>Franz.
>>
>>Franz,
>>I did what you said:- downloaded a hex editor (HN_Hex-Ed), changed the byte
>>21870 and it did the trick. Please tell me how you found byte 21870hex......
>>                                 Keith
>
>Hi Keith,
>
>well, I just looked for the UCI options in the EXE (of course also with a
>hex editor), and a few bytes after these names there are some numbers which
>seemed to be what I´ve searched for. ;-)
>So the ´trick´ is just a bit experience, some guessing and/or luck, and the
>last thing is trying if it works ...
>
>But as I wrote in my follow-up: unfortunately this has the side-effect of also
>changing the MultiPV default value, so it wasn´t really a good idea.
>
>Regards,
>Franz.

Thank you Franz I wondered for a minute whether you had found an interesting
piece of software........



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