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  Topic Review (Newest First)
10-24-2015 05:24 PM
amirbachar
Re: ELO Ratings

Quote:
Originally Posted by Gilloulou View Post
is there a site that regularly updates ELO for tennis?
Here is a blog that does that:
Weekly Tennis ELO Rankings
10-23-2015 08:05 PM
G.100sic
Re: ELO Ratings

Quote:
Originally Posted by Gilloulou View Post
is there a site that regularly updates ELO for tennis?
I'll do it one day, hopefully
10-23-2015 10:58 AM
Gilloulou
Re: ELO Ratings

is there a site that regularly updates ELO for tennis?
08-22-2013 10:45 PM
miura88
Re: ELO Ratings

Wonder what Nadal's elo rating on a hardcourt is right now
12-06-2012 12:39 PM
amirbachar
Re: ELO Ratings

Updated after Challenger Tour Finals
11-17-2012 09:15 PM
G.100sic
Re: ELO Ratings

Sorry, I didn't see you were updating ratings by editing your original posts...

Amirbachar, why do you only publicize peak ratings, where are the current ratings?
11-17-2012 02:21 PM
amirbachar
Re: ELO Ratings

Hard rankings updated up to yesterday's matches
11-09-2012 07:52 AM
G.100sic
Re: ELO Ratings

Quote:
Originally Posted by Rafter_forever View Post
Thanks, the issue is that should recalculate everything, but would be cool, there are limits to the value of K?
K is just a constant in a calculation, the factor by which the difference in points is "amplified"... One could easily assign different K for every match depending on tournament strength and round, but then again, we already have that in official ranking. Only the scale would be different. Official ATP ranking is an exponential scale, so to speak. Or you could say that Elo rating scale is logarithmic, with respect to ATP.

Quote:
Originally Posted by Rafter_forever View Post
Easy, I don´t know much about chees, but tennis not is like other sport like boxing for example, because many times, the top players use some tournamentes as preparation for Grand Slam on M1000, and many times they lose matchs that they would not lose in other tournaments..
That in fact is also significant, and tells something about those player's strength. They tend to do that consciously to adapt their strategy (or, better to say, business plan ) to the official ranking system. But the best ones play at the strongest tournaments, against toughest opponents, and mostly win!
11-09-2012 12:10 AM
Rafter_forever
Re: ELO Ratings

Quote:
Originally Posted by Litotes View Post
Easy. In Chess, where the Elo system originated, there are lots of different Ks. No problem whatsoever, if you want this. OP obviously doesn't.
Thanks, the issue is that should recalculate everything, but would be cool, there are limits to the value of K?

Quote:
Originally Posted by G.100sic View Post
Of course that it is possible, but why, what's the point doing that in Elo system?!
Official ranking system already does that, and this is the other way to measure performance.
And as amirbachar pointed out, this system gives better predictability of head-to-head accounts.
Easy, I don´t know much about chees, but tennis not is like other sport like boxing for example, because many times, the top players use some tournamentes as preparation for Grand Slam on M1000, and many times they lose matchs that they would not lose in other tournaments..
11-08-2012 02:17 PM
G.100sic
Re: ELO Ratings

Quote:
Originally Posted by Rafter_forever View Post
jaja, Yes, the first question I understood then make it..

Second, yes, I know that, but my question is if changing the original system could be made. For example, changing the K factor
Of course that it is possible, but why, what's the point doing that in Elo system?!
Official ranking system already does that, and this is the other way to measure performance.
And as amirbachar pointed out, this system gives better predictability of head-to-head accounts.
11-08-2012 08:38 AM
Litotes
Re: ELO Ratings

Quote:
Originally Posted by Rafter_forever View Post
jaja, Yes, the first question I understood then make it..

Second, yes, I know that, but my question is if changing the original system could be made. For example, changing the K factor
Easy. In Chess, where the Elo system originated, there are lots of different Ks. No problem whatsoever, if you want this. OP obviously doesn't.
11-08-2012 08:36 AM
Rafter_forever
Re: ELO Ratings

jaja, Yes, the first question I understood then make it..

Second, yes, I know that, but my question is if changing the original system could be made. For example, changing the K factor
11-08-2012 07:52 AM
G.100sic
Re: ELO Ratings

Quote:
Originally Posted by Rafter_forever View Post
I didn't know the ELO system, I've a couple of questions from ignorance ..
What means the date on the right of the score?
Is there any way to use another factor depending on the round and the tournament to be played? Not the sama a 1R of Halle that a Wimbledon final ..

Thanks and great job
I took the liberty of answering this...
Since those are peak rank lists, I suppose that the date is the date when the actual peak rating was achieved by that player.
As for the second question...
Elo rating system is all about head-to-head performance. No pressure factors like tournament size and value, or at which stage of the tournament is a match played are taken into account.

And Elo system is named after its inventor, Arpad Elo, a person, so it is not an acronym.
11-07-2012 07:08 AM
Rafter_forever
Re: ELO Ratings

I didn't know the ELO system, I've a couple of questions from ignorance ..
What means the date on the right of the score?
Is there any way to use another factor depending on the round and the tournament to be played? Not the sama a 1R of Halle that a Wimbledon final ..

Thanks and great job
10-29-2012 10:06 PM
G.100sic
Re: ELO Ratings

Quote:
Originally Posted by amirbachar View Post
Every set that has started counts, there for ret. in the middle of a set counts as a loss of the set, and walkovers don't count at all.
Yeah, my idea exactly the same.
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