Author: Christophe Theron
Date: 04:07:14 07/10/01
Go up one level in this thread
On July 10, 2001 at 07:00:10, Vincent Lejeune wrote:
>On July 10, 2001 at 05:49:39, Christophe Theron wrote:
>
>>On July 10, 2001 at 05:02:35, Vincent Lejeune wrote:
>>
>>>
>>>>BTW the first round of the match is completed now. ChessTiger 14 reached very
>>>>good 61.5 %. Could someone
>>>>please calculate, how much ELO difference 61.5 % mean compared to the average
>>>>ELO of the opponents?
>>>>Thanks a lot!
>>>
>>>That means a +92 Elo difference
>>
>>
>>Sorry Vincent, but this is not right.
>>
>>A 61.5% winning percentage means approximately a 80.5 Elo points difference.
>>
>>The rule of thumb is very simple: take the winning percentage, substract 50,
>>then multiply by 7.
>>
>>This rule is an approximation (but a very good one) that works only in the range
>>20% to 80%.
>>
>>
>>
>> Christophe
>
>
>Oui, Christophe, j'ai posté cette règle il y a qq mois après avoir observé
>les performances dans un tableau.
>Ici j'ai utilisé une régle plus générale : (800*((Nb de points)/(Nb de
>parties)-0,5))
>Une telle différence de point m'étonne, je vais regarder à ça de plus près ...
>(pas tout de suite car je joue le championnat de belgique toute la semaine :
>http://lnl.ovh.org/bcc2001/home.html)
>
>Encore félicitation pour la qualité de jeu de Chess Tiger !!!
>
>A bientôt
Donc tu me dis que je suis en train de t'expliquer une règle que tu m'as
toi-même expliqué...
C'est une histoire de fous... :)
Good luck pour le tournoi.
Christophe
>Yes, I post this rules some months ago :))
>But I found a genral formula = (800*((Nb of points)/(Nb of game)-0,5))
>I'm astonished by the difference ...
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