Individual Calculations December 2019
 Feng, Richard  Total change: -13.20  Rating chartPersonal card
 2019 Century Richmond Hill Open Crown Richmond Hill CAN 2019-11-09
RcRownchangeKK*chgGame
 2031 1799 0.00 3 -0.66 20 -13.20 
  Chen, Max c1933 CAN0.001-0.3220-6.40 
  Zomorrodian, Eilia f2163 IRI0.001-0.1020-2.00 
  Atanasov, Anthony c1998 CAN0.001-0.2420-4.80 

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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