Individual Calculations October 2014
 Chen, Derek H.  Total change: -25.20  Rating chartPersonal card
 36th Annual Southern California Open San Diego, California USA 2014-08-30
RcRownchangeKK*chgGame
 2188 2095 0.50 3 -0.63 40 -25.20 
  Akopyan, Harutyan f2249 USA0.5010.21408.40 
  Krishnan, Varun 2272 USA0.001-0.2740-10.80 
  Tolentino, Karl 2044 USA0.001-0.5740-22.80 

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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