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Chess rating system


  • 3 weeks ago · Quote · #1861

    JohnQDom

    I'm convinced that the rating system has changed in the last week or so.  I have a guest account, and a premium account, and on both accounts I'm getting rating points super easy the last few days.  Somthing is different with the system.  Does anybody know if they have changed the rating system recently?

  • 3 weeks ago · Quote · #1862

    EarlGreyHot

    Can anyone tell me how ratings for different time controls stack up?  Like is it easier to get 1500 with 15/10 or 5/3?

  • 2 weeks ago · Quote · #1863

    SmyslovFan

    Earlgrey, click on "play", then click on "Live games". Then on that page, do NOT click on "Play live chess". Scroll down to a square on the far right that has the following and click on "view players". That will lead you to graphs for each of the different time controls so you can judge for yourself which is easier and harder.

  • 2 weeks ago · Quote · #1864

    SmyslovFan

  • 11 days ago · Quote · #1865

    Lady69

    Hi folks!

    Maybe it's said before, but can someone explain to me how this ratingsystem works... Yesterday I had 1442 points. Today I loose against a fellow who has 1210 points (mea culpa!). And now I have 1428! And other times I win some games and I only get 1 point!

    I know this point-system actually is not that important, but I would like to know a least a little more about it...

    Thanks and good day.

  • 11 days ago · Quote · #1866

    Mersaphe

    Lady69 wrote:

    it depends on rating of your opponent.

    if opponent is higher rated, you gain lot of points if you win, and lose little points if you lose.

    if opponent is lower rated, you gain little points if you win, and lose lot of points if you lose.

  • 10 days ago · Quote · #1867

    Lady69

    Yes, I see..., thanks, Mersaphe!

  • 10 days ago · Quote · #1868

    toupper

    This morning I had suddenly a rating jump of 150 points, without playing any match. I don't think it could be because of the ELO system, as I have played mored than 300 games and normally the increase is about 10 max. Do you have some info about this? Thanks!

  • 10 days ago · Quote · #1869

    Audiomeleska

    I noticed the same thing with my live(standard) rating this morning, toupper.

  • 10 days ago · Quote · #1870

    Crimson_Heart

    I'm 1669 and that is not possible since I'm 1550 last week.

    What's happrning?

  • 10 days ago · Quote · #1871

    SmyslovFan

    Weird. My live standard rating dropped down to 1667 from a high of 1889 or some such. I haven't played in several months. Maybe they're doing something with the RD?

  • 10 days ago · Quote · #1872

    toupper

    Also in this thread http://www.chess.com/forum/view/livechess/huge-rating-jump

    It seems like there is no pattern in the increases, so all points to a server bug (mistake)

  • 9 days ago · Quote · #1873

    lol_poker

    happened to me too. last time I had a 1450 chess.com rating and after I logged in today I had 1600. I just won against a 1580 player :D

  • 8 days ago · Quote · #1874

    Bittrsweet

    1295 to 1445 without playing any games. I'm just a natural chess genius I guess. Laughing

  • 8 days ago · Quote · #1875

    drunkjosh

    Explanation for the Live Standard rating boost:

    http://www.chess.com/forum/view/livechess/standard-ratings-boost

  • 6 days ago · Quote · #1876

    Ed_Seedhouse

    Well it's nice to be an "expert" here and this is at least consistent with my last CFC OTB rating, but I don't really agree with the approach.  The problem is the resulting skewed distribution so far as I am concerned.  I think the entire pool should have been adjusted by a mathematical procedure to make the new mean rating about 1500 with a 300 point standard deviation.  That would put the top 1% at 2200 and up, which was what Arpad Elo originally designed.  No doubt the distribution will even itself out over time but a little more sophisticated approach would be an improvement in my opinion.

  • 6 days ago · Quote · #1877

    Chessnovice25501

    MickyBJ wrote:

    Why then did I go down from 1200 (to 1361) when I beat someone who has a rating above 1200 (1089)?? Admittedly don't have time to read the article... but hoping someone knows how this works anyway!

    1361 is higher than 1200

  • 2 days ago · Quote · #1878

    hitsoftclub

    can this game be offline?

    i want to practice this at my computer.

  • 41 hours ago · Quote · #1879

    lolurspammed

    Can someone please explain why ratings weren't given a flat tax? 


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