Individual Calculations July 2009
 Poobalasingam, Peter S  Total change: -16.05  Rating chartPersonal card
 4NCL part 3 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2208 2235 0.00 2 -1.07 15 -16.05 
  Rees, Ioan c2297 WLS0.001-0.4115-6.15 
  Varnam, Liam D 2118 ENG0.001-0.6615-9.90 

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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