Individual Calculations January 2020
 Zakarian, David  Total change: -6.20  Rating chartPersonal card
 11th CSC London Chess Classic: Weekend Open London ENG 2019-11-29
RcRownchangeKK*chgGame
 2109 2343 2.50 4 -0.62 10 -6.20 
  Metcalfe, Charlie P 1943  * ENG1.0010.08100.80 
  Kovacs, Zoltan 2117 HUN1.0010.21102.10 
  Bonn, Thomas B 2199 FRA0.501-0.1910-1.90 
  Menzies, Colin W 2176 IRL0.001-0.7210-7.20 
 * 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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