Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Will the real Rebel10 please stand up!!

Author: Mark Young

Date: 03:00:16 11/12/98

Go up one level in this thread


On November 12, 1998 at 05:45:58, Howard Exner wrote:

>On November 12, 1998 at 04:49:44, odell hall wrote:
>
>>
>>On November 11, 1998 at 19:48:45, Mark Young wrote:
>>
>>>On November 11, 1998 at 11:33:23, odell hall wrote:
>>>
>>>>
>>>>On November 11, 1998 at 06:48:14, Mark Young wrote:
>>>>
>>>>>On November 11, 1998 at 06:25:36, Mark Young wrote:
>>>>>
>>>>>>sorry I see the hash size now, 16mb. I will recheck with that size.
>>>>>
>>>>>
>>>>>Now it plays your rebel 10 moves when set to 13mb hash and 10 mb hash. At lower
>>>>>hash size it plays like my Rebel 10 set at 120mb hash. Try this, play the same
>>>>>opening but set rebel 10 at 8 mb hash, and see if you still can win.
>>>>
>>>>
>>>>  ??? I don't understand the logic.
>>>
>>>You don't need to understand my logic. Just play the move of the game at 8mb
>>>hash, you will see what I mean. Rebel at certain hash sizes plays like a
>>>different program with big eval changes when set on 8 mb hash for Rebel 10
>>>playing with 10 mb hash.
>>
>>
>>Mark I tried your suggestion and tested rebel10 at hash=8mb, and Hash=10mb my
>>results were that their was absolutley no difference at all!!!
>>
>>
>>19. rebel chooses BxG7(0-33sec)at33sec it chooses 19.Nxb5 8ply 0.45 then at 6min
>>it still chooses nxb5 at 10ply 0.45 total positions searched 22,468,608
>>
>>I got the exact same results above with the hash table set to 10mb! So much for
>>your theory
>
>I have a theory also about what might be happening. Help me test this out.
>Set combination to off as it would be in tournament mode. Now run the position
>three times in either 10 MB hash or 8 MB hash, using first AG=Off, then AG=
>Active and finally AG=Strong. Does Ag=off produce Bxg7, followed for a awhile by
>Bd3 then returns to Bxg7? Does AG=Active get Bxg7 and holds on to it?
>Finally, do you get the Nxb5 sequence when AG=Strong?
>
>That's what I'm getting on my machine. The trouble is the default of AG=Smart
>seems to just randomly choose one of the 3 options (Off,Active or Strong)
>with no real consistency. Can you Mark and Odell confirm this.
>
>When AG=Smart I can force a move, take it back, replay the exact same position
>and then get an entirely different move sequence. Are we all doing something
>wrong or did Ed and the beta testers miss something?

I know it is doing something different, I will work the problem and see what I
find.



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.