Individual Calculations September 2009
 Christensen, Wayne E  Total change: -7.35  Rating chartPersonal card
 2009 South Carolina Open Greenville, South Carolina USA 2009-06-26
RcRownchangeKK*chgGame
 2167 2162 0.50 2 -0.49 15 -7.35 
  Harris, Neal D 2105 USA0.501-0.0815-1.20 
  Aliyev, Timur 2229 ISR0.001-0.4115-6.15 

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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