Individual Calculations December 2017
 Newman, Joel K M  Total change: -7.40  Rating chartPersonal card
 2018-19 Beckenham & Bromley Club Championship Rounds 3-4 Beckenham ENG 2017-11-09
RcRownchangeKK*chgGame
 2085 2036 0.50 2 -0.37 20 -7.40 
  Duggan, John E 2118 ENG0.5010.11202.20 
  Selway, Richard P 2051 ENG0.001-0.4820-9.60 

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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