Individual Calculations April 2019
 Gray, Mark S  Total change: -8.60  Rating chartPersonal card
 CCF Winter Chess Club LP Matches Stage 8 London ENG 2019-03-04
RcRownchangeKK*chgGame
 1940 2142 1.00 2 -0.43 20 -8.60 
  Desai, Nilomi 1742  * ENG1.0010.08201.60 
  Lock, Gavin R 2137 ENG0.001-0.5120-10.20 
 * 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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