Individual Calculations December 2017
 Lonsdale, Jon I  Total change: -2.20  Rating chartPersonal card
 2017/18 4NCL Division 3 North Rounds 1-2 Doncaster ENG 2017-11-11
RcRownchangeKK*chgGame
 1947 1799 0.50 2 -0.11 20 -2.20 
  Bryant, Richard B E 2026 ENG0.5010.29205.80 
  Flynn, David 1868 ENG0.001-0.4020-8.00 

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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