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Rating Calculator
Posted in 
Curling
Rating Calculator
Posted in 
Curling
Rating Calculator
Why do the ratings after an actual match not agree with the result given by the Rating Calculator using the equations by Prof. Arpad Elo?  When you plug in prior rating and final score there is no relation to what actually was the result.  Anyone know???
I recently played a match with a near 150 point differential.  The 2 end match ended in a 3-3 draw. Neither players rating changed, although the Rating Calculator said that there should have been an 8 point change to each players rating.????Why
Could be that your opponent only had a provisional rating (~) in which case ratings are calculated differently.

Else I would need the name of your opponent and the time of the match to look it up.

OP

this could relate to the topic, but i know if some cheater has two accounts and plays himself and rigs the match there is no point difference.
317-252 result:13.5-9.5 after 8ends and system give me...0:)hmm 2 pro so system should be have chance because when played 2 pro and someone win system must give him points....calculator is unfair for the best players 
after 6 ends I lead 9-1 with raiting over 190 and have disconnection system give my oponnent +3 +2 +2 +2 and he win 10-9!great!why system give +2 for each end should give +1.......
Hokej, 

Seems like you need a different rating system for each of your matches (that always calculates in your favour).

Well, unfortunately we only have one, that should be applied not only for your matches, but for everyone else's as well...

OP

I totally agree with hokej, I have perhaps an even better example than hokej listed.

I played a 10 end skins game vs bonobo57, 300+ rating. I was rated 485. 

The game turned into a rather boring game because bonobo57 didn't play too well. The game ended 29.5 - 1.5. This result gave me 14 rating points added to my rating. 

If I would put 19.5 - 1.5 in the rating calculator (would be 8 end skins), I would end up with 13 rating points added. As far as I can calculate then it is a 1 point added to rating when scoring 10 points in the game. 
Conclusion. If I play more than 6 end skins the game will only be a question of if I will lose 1 of the remaining ends, and the gain of winning the last 10/16 points gives at most 5 rating points gained. The loss is 5 times as high.


If I did a 6 end skins game I would end up with 24.5-6.5. This result in the rating calculator will add 4 rating points to my rating. 
Another conclusion: I have 4 times as many points as bonobo and score only 4 rating points.
 Do you not think this is unfair? Its not a question of if I win any ends but how many I lose. 

The fact that rating points are not added as before when we get higher scores stops people from playing 8 or 10 ends (at least if its skins). 
Though I know this topic is old then I think its a good place to start
Oops, its quite new :) (last post was meaningless)
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