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Subject: Re: Pro Deo/Rebel parameter

Author: Kaj Soderberg

Date: 05:30:35 11/06/05

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On November 06, 2005 at 08:16:47, Eelco de Groot wrote:

>On November 04, 2005 at 13:52:31, Kaj Soderberg wrote:
>
>>Hi there,
>>
>>I'm trying out parameters both on Pro Deo and Rebel 12 to see if there is
>>difference in practical behaviour, in favour of one or the other. Now i wonder
>>from which engine version MISC_66 can be used. From R12.00.02 as delivered of
>>course, but also in R12.00.01 (in order to work under XP)?
>>
>>BTW my favourite enhancement until now is the use of a selectivity of 80 and the
>>pruning of bad moves set at 2, although already seen in R12 beta 4. Stuff of
>>tactical nature is seen earlier, though the ply level (logically) is lower due
>>to slow-down of the engine. In some endgames the engine seems to hang or freeze
>>quite a bit when using this combination, but i think the combination at an
>>average improves both PD 1.1 and R12.00.01. I will look for a way to diminish
>>the freezing stuff.
>>
>>Thanks in advance for answers.
>>
>>Kind regards,
>>
>>Kaj
>
>Hello Kaj,
>
>I don't rightly remember. Wasn't Rebel 12.00.01 an update from Ed for the
>Windows version? And I have an UPDATE1.eng in
>D:\Programma's\REBELWINDOWS\engines\Rebel12\personal with booklearning files for
>Rebel 12.00.01 that shows settings with the fix for the Diep - Rebel bug from
>the Dutch championship, I think the fix was partly the reson for that update? So
>then the answer would be yes, as far as my memory goes...
>
>Best,
>Eelco
>
>p.s. I never tried the PRUNE BAD MOVES stuff myself, maybe I will, in the vague
>hope that one day Ed might make a new compile for Pro Deo... But as you maybe
>know, untraceable bug has Ed in (need of) a fix as he reported in Chess
>Thinker's Forum couple of weeks ago..
>
>[Personality = Update1.ENG]      * Rebel 12 (November 2003)
>[Pawn Value = 100]
>[Knight Value = 100]
>[Bishop Value = 100]
>[Rook Value = 100]
>[Queen Value = 100]
>[King Safety = 150]
>[Mobility = 100]
>[Pawn Structure = 100]
>[Passed Pawns = 100]
>[Pins = 100]
>[Bishop Pair = 100]
>[Chess Knowledge = 100]
>[Attractiveness = 101]
>[Attacking = 100]
>[Strength of Play = 100]
>[Draw Contempt Factor = 0.00]
>[Selective Search = 100]
>[Search Technique = NULLMOVE]
>[Engine Learner = off]          * off|on
>[Book Learner = off]     * off|passive|moderate|strong|aggressive
>[Position Learner = off]         * off|on
>[Extended Book Learner = off]   * off|read|write|read&write
>[Pruning = MISC_25]             *
>[Pruning = MISC_37]             *
>[Pruning = MISC_40]             *
>[Pruning = MISC_66]             * Fixes Diep-Rebel bug
>[Center Control = 25]           * 25
>[Bishop Mobility = 25]          * 25
>[Right to Move = 75]            * 75
>[Strong Squares = 125]          * 125
>[ANTI-GM = OFF]
>[EVALUATION = SMART]            * NORMAL|SMART
>[Extensions (remaining)= 3]
>[Extensions (checks)= 0]
>[Extensions (captures)= 0]

Hi Eelco,

Thanks for the info.

I sincerely hope Ed can recover from his bug dip. IMO a champ like Ed may retire
at the height of his career, but not when been struck by bad luck.
So i hope he'll pull he's gloves back on and get into the ring where we all can
enjoy the master at work.

Greetings,
Kaj



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