Individual Calculations May 2018
 Hutchings, Roger M  Total change: -24.80  Rating chartPersonal card
 CCF DAYTIME CHESS APRIL 2018 London ENG 2018-04-04
RcRownchangeKK*chgGame
 1633 1881 1.00 2 -0.62 40 -24.80 
  Allan, Brian W 1645 SCO0.001-0.8040-32.00 
  Sonnis, Steve 1620 ENG1.0010.18407.20 

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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