Individual Calculations March 2010
 Coleman, Teddy  Total change: -3.75  Rating chartPersonal card
 42nd Annual Liberty Bell Open Philadelphia, Pennsylvania USA 2010-01-15
RcRownchangeKK*chgGame
 2223 2290 1.50 3 -0.25 15 -3.75 
  Samimi, Sohrab 2129 USA1.0010.29154.35 
  Vilenchuk, Michael 2084 USA0.501-0.2615-3.90 
  Krush, Irina mwg2455 USA0.001-0.2815-4.20 

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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