Individual Calculations February 2013
 Mackinnon, Keith  Total change: 3.15  Rating chartPersonal card
 2013 Championnat par classe DESJARDINS du Quebec Montreal, Quebec CAN 2013-01-11
 2102 2172 2.00 3 0.21 15 3.15 
  Robichaud, Louis 2091 CAN0.001-0.6115-9.15 
  Zhang, Yuanchen 2018 CAN1.0010.29154.35 
  Prahov, Valentin 2197 BUL1.0010.53157.95 

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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