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Subject: Re: To Ed Schröder about the new Rebel DOS update

Author: Ed Schröder

Date: 05:09:59 01/20/04

Go up one level in this thread


On January 19, 2004 at 19:32:00, Eelco de Groot wrote:

>On January 19, 2004 at 07:20:48, Gabor Szots wrote:
>
>>On January 19, 2004 at 06:42:29, Thorsten Czub wrote:
>>
>>>On January 19, 2004 at 06:02:51, Gabor Szots wrote:
>>>
>>>>Well, I did make a substitution, and test suite solution times are quite
>>>>different from the previous ones.
>>>
>>>do you relate windows version with dos version ?
>>>of course the programs play different.
>>>
>>>Ed has changed things from one version to the next.
>>
>>What I did is simply replace one rebel.eng (which came with the November
>>commercial update) with another rebel.eng (which comes with the current DOS
>>update). I don't use the Rebel DOS program.
>
>Hello Gabor,
>
>If you are talking about just the latest default Rebel.eng files, I think they
>are almost identical apart from [Pruning = MISC_66]  that Ed introduced to
>counter the Diep-Rebel bug from the last Leiden tournament. That is the only new
>thing I see in Rebel.eng that is switched on.

You are correct Eelco, well seen.

The bug was quite harmful and introduced since Century 4.

Lucky Vincent :)



>[Personality = REBEL.ENG]       * Rebel 12.00.02 (January 2004)
>[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 = aggressive]     * off|passive|moderate|strong|aggressive
>[Position Learner = on]         * off|on
>[Extended Book Learner = off]   * off|read|write|read&write
>[Pruning = MISC_25]             *
>[Pruning = MISC_37]             *
>[Pruning = MISC_40]             *
>[Pruning = MISC_66]             *
>[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]
>
>
>But in the readme.txt that comes with Rebel Dos Ed introduces some other new
>switches that (I think) will only work in Rebel Dos, like
>[Pruning = MISC-03]             * Speed-up (+4%)
>which I understand to be something different from
>[Pruning = MISC_03]             * Speed-up (+4%)
>
>(If I am wrong Ed could you please clarify?)

It's a typo, please stick to the "MISC_" principle.

My best,

Ed




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