Individual Calculations December 2017
 Duda, Lucas  Total change: -0.60  Rating chartPersonal card
 2017 Central London Chess Congress (Open Section) London ENG 2017-11-03
 1978 1855 1.00 3 -0.03 20 -0.60 
  Fink-Nunn, Petra wf2080 ENG0.001-0.2220-4.40 
  Niccoli, Tony 2030 ENG0.001-0.2720-5.40 
  Siddharth, Gopakumar 1823 IND1.0010.46209.20 

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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