Individual Calculations January 2014
 Sonnis, Steve  Total change: 7.05  Rating chartPersonal card
 Hampstead Under 2200 FIDE Congress December 2013 London ENG 2013-12-21
RcRownchangeKK*chgGame
 1877 1695 1.00 2 0.47 15 7.05 
  Barasi, Paul Dl 1914 ENG0.5010.28154.20 
  Wigbout, Rod 1840 ENG0.5010.19152.85 

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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