Individual Calculations January 2009
 Mabe, Chris J  Total change: -14.70  Rating chartPersonal card
 2008 North Carolina Open Championship Greensboro, North Carolina USA 2008-10-31
RcRownchangeKK*chgGame
 2257 2248 0.00 2 -0.98 15 -14.70 
  Aliyev, Timur 2213 ISR0.001-0.5515-8.25 
  Simpson, Ronald f2300 USA0.001-0.4315-6.45 

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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