Individual Calculations September 2013
 McDonnell, James J  Total change: 2.55  Rating chartPersonal card
 British Championship 5-day Open AM Week 1 Torquay ENG 2013-07-29
RcRownchangeKK*chgGame
 1824 1914 2.00 3 0.17 15 2.55 
  Evans, Helen I 1630 ENG1.0010.16152.40 
  Olbison, Philip J 1997 ENG0.001-0.3915-5.85 
  Freeland, Alexander 1844 WLS1.0010.40156.00 

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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