Individual Calculations January 2019
 Chiu, Isaac  Total change: -37.20  Rating chartPersonal card
 1st Annual Old Line Open Rockville, Maryland USA 2018-12-07
RcRownchangeKK*chgGame
 1984 2150 0.50 2 -0.93 40 -37.20 
  Tahmassebi, Bijan 2043 USA0.501-0.1540-6.00 
  Altman, Joshua c1925 ENG0.001-0.7840-31.20 

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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