Individual Calculations July 2021
 Bortnyk, Olexandr  Total change: 7.30  Rating chartPersonal card
 30th Annual Chicago Open - Open Wheeling, Illinois USA 2021-05-27
RcRownchangeKK*chgGame
 2484 2598 6.50 9 0.73 10 7.30 
  Stevens, Matthew James f2237 USA1.0010.10101.00 
  Griffith, Kyron W f2351 USA1.0010.19101.90 
  Bora, Safal m2395 USA1.0010.24102.40 
  Niemann, Hans g2546 USA0.501-0.0710-0.70 
  Liang, Awonder g2592 USA0.501-0.0110-0.10 
  Kevlishvili, Robby m2495 NED1.0010.36103.60 
  Swiercz, Dariusz g2649 USA0.5010.07100.70 
  Cordova, Emilio g2590 PER0.501-0.0110-0.10 
  Repka, Christopher g2497 SVK0.501-0.1410-1.40 

Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change)
 

 

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