Individual Calculations September 2009
 Ruan, Gordon J  Total change: 0.00  Rating chartPersonal card
 110th Annual US Open Indianapolis, Indiana USA 2009-08-01
RcRownchangeRpKK*chgGame
 2205 0 3.00 6 0.00 2205   0.00 
  Tate, Emory A m2303 USA0.5010.00 0.00 
  Weiss, Allen J 2160 USA0.5010.00 0.00 
  Wright, William B 2188 USA0.0010.00 0.00 
  Robinson, Darrian 1959 USA1.0010.00 0.00 
  Shapiro, Daniel E f2291 USA0.5010.00 0.00 
  Bereolos, Peter f2328 USA0.5010.00 0.00 

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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