Individual Calculations October 2018
 Georgiev, Vladimir  Total change: -0.20  Rating chartPersonal card
 2018 Illinois Open State Championship Downers Grove, Illinois USA 2018-09-01
RcRownchangeKK*chgGame
 2332 2479 2.00 3 -0.02 10 -0.20 
  Li, Zhaozhi m2402 USA0.501-0.1110-1.10 
  Mitkov, Nikola g2473 MKD0.501-0.0110-0.10 
  Stevens, Matthew 2121 USA1.0010.10101.00 

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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