Individual Calculations February 2015
 Willmoth, Harrison  Total change: -10.00  Rating chartPersonal card
 4NCL 2014-15 Rounds 3-4 Various ENG 2015-01-10
RcRownchangeKK*chgGame
 1652 1562 0.50 2 -0.25 40 -10.00 
  Graham, Cassie M 1643 ENG0.001-0.3940-15.60 
  Leung, Simon 1661 ENG0.5010.14405.60 

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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