Individual Calculations July 2011
 Raptis, Nick  Total change: 0.15  Rating chartPersonal card
 2011 Washington Open Renton, Washington USA 2011-05-28
RcRownchangeKK*chgGame
 2259 2257 1.50 3 0.01 15 0.15 
  Wang, Michael 2085 USA1.0010.27154.05 
  Mikhailuk, Slava f2422 USA0.5010.22153.30 
  Sinanan, Joshua C 2270 USA0.001-0.4815-7.20 

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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