Individual Calculations December 2015
 Bellers, Chris J  Total change: -27.20  Rating chartPersonal card
 4NCL Division 3S WE1 Telford ENG 2015-11-14
RcRownchangeKK*chgGame
 1952 2018 0.50 2 -0.68 40 -27.20 
  Kay, Jonathan 1935 ENG0.001-0.6140-24.40 
  Valentine, Brian J 1968 ENG0.501-0.0740-2.80 

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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