Individual Calculations October 2013
 Brooks, John R  Total change: 23.70  Rating chartPersonal card
 2013 Michigan Open Livonia, Michigan USA 2013-08-30
RcRownchangeKK*chgGame
 2198 2124 2.00 3 0.79 30 23.70 
  Lastra, Ricardo 2157 USA1.0010.553016.50 
  Levi, Ariel S 2097 USA1.0010.463013.80 
  Shetty, Atulya f2341 USA0.001-0.2230-6.60 

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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