Individual Calculations December 2017
 Levy, Christopher A  Total change: -44.00  Rating chartPersonal card
 2017 Central London Chess Congress (Major Section) London ENG 2017-11-03
RcRownchangeKK*chgGame
 1681 1570 0.00 3 -1.10 40 -44.00 
  Lundback, Anders 1865 SWE0.001-0.1540-6.00 
  Aleksiev, Georgi 1592 BUL0.001-0.4740-18.80 
  Lekic, Dejan 1585 ENG0.001-0.4840-19.20 

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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