Individual Calculations February 2016
 Williamson, Roger G  Total change: 5.00  Rating chartPersonal card
 4NCL Division 1 WE 2 Birmingham ENG 2016-01-23
RcRownchangeKK*chgGame
 2273 2182 1.00 2 0.25 20 5.00 
  Bisby, Daniel L f2297 ENG0.5010.16203.20 
  Foisor, Mihaela-Veronica wm2249 ROU0.5010.09201.80 

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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