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 Feature requests

Do you miss something on BrainKing.com and would you like to see it here? Post your request into this board!
If there is a more specific board for the request, (i.e. game rule changes etc) then it should be posted and discussed on that specific board.

For further information about Feature Requests, please visit this link on the Brainking.Info site : http://brainking.info/archives/20-About-feature-requests.html


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30. januari 2008, 14:56:32
nabla 
Onderwerp: Re: Rating Lists
AbigailII: any rating system worth its salt should not consider a match won 6-4 to be equivalent to a match won 10-0

That is wrong when cubed backgammon matches are concerned - and similarly might not be true in games that have more than two possible results (in chess, what about the player who offers draw in a winning position in order to ensure the match win?).

All the interest of cubed backgammon matches comes from maximizing one's chance to win the whole match, while not caring about what the exact score will be. For that a the "FIBS" rating system has been devised, which basically uses the Elo formula, but only after multiplicating the rating difference by the square root of the length of the match. That adjustment is said to be perfect for n-point matches with only 1-0 and 0-1 results, but I don't know why.

I have offered quite some time ago to help Fencer implementing the FIBS adjustment on Brainking (which is not a hard thing to do). Perhaps it must be said that Glicko, BKR and FIBS are all enhancements on the Elo system, and that the FIBS adjustement is compatible with either Glicko or BKR.

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