Individual Calculations January 2012
 Coleman, David J  Total change: -6.15  Rating chartPersonal card
 London Chess Classic 2011: Open London ENG 2011-12-03
RcRownchangeKK*chgGame
 2113 2244 3.50 6 -0.41 15 -6.15 
  Fransson, Angelina 1940 SWE0.001-0.8615-12.90 
  Lee, Kai Jie Edward 2003 SIN0.001-0.8015-12.00 
  Reppen, Ellisiv 1949 NOR1.0010.15152.25 
  Iyengar, Ilya 1974 ENG1.0010.17152.55 
  Hassan, Abdullah m2398 UAE1.0010.711510.65 
  Roy Chowdhury, Saptarshi m2411 IND0.5010.22153.30 

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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