Individual Calculations December 2017
 Harvey, John  Total change: -12.00  Rating chartPersonal card
 2017/18 4NCL Division 3 South Rounds 1-2 Reading ENG 2017-11-11
RcRownchangeKK*chgGame
 1995 1700 0.00 2 -0.30 40 -12.00 
  Hatchett, Paul 1970 WLS0.001-0.1740-6.80 
  Simons, Martin J 2019 ENG0.001-0.1340-5.20 

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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