Individual Calculations October 2021
 Howell, Chris I  Total change: -0.80  Rating chartPersonal card
 Coulsdon Chess Dicky White S1 SEP 2021 London ENG 2021-09-06
RcRownchangeKK*chgGame
 1785 1946 2.00 3 -0.04 20 -0.80 
  Rizvi, Nasir 1963 WLS0.001-0.4820-9.60 
  Faulkner, Martin J 1846 ENG1.0010.36207.20 
  Whelan, Joseph 1546  * ENG1.0010.08201.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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