Individual Calculations March 2012
 Bonafont, Philip R  Total change: -14.70  Rating chartPersonal card
 London Christmas Open 2011 London ENG 2011-12-28
RcRownchangeKK*chgGame
 1911 2113 3.50 6 -0.98 15 -14.70 
  Thomas, Phillip 1873 SCO0.501-0.3015-4.50 
  Pattni, Kishan 1713  * ENG1.0010.08151.20 
  Iyengar, Ilya 1974 ENG0.501-0.1915-2.85 
  Gibbs, Dominic V 1953 ENG1.0010.29154.35 
  McPhillips, Joseph 2054 ENG0.001-0.5815-8.70 
  Burke, Mitchell R 1897 ENG0.501-0.2815-4.20 
 * 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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