Individual Calculations September 2011
 Waidyaratne, Kasun  Total change: 13.35  Rating chartPersonal card
 39th Annual World Open - U2400 Section Philadelphia, Pennsylvania USA 2011-06-28
RcRownchangeKK*chgGame
 2214 2182 4.50 8 0.89 15 13.35 
  Moorthy, Srinivas 1890 USA1.0010.15152.25 
  Yanayt, Eugene f2240 USA1.0010.58158.70 
  Kleinman, Michael 2195 CAN0.5010.02150.30 
  Adamson, Robby f2328 USA0.5010.20153.00 
  Inants, Aghasi 2290 ARM0.5010.15152.25 
  Burnett, Ronald m2347 USA0.001-0.2815-4.20 
  Getz, Shelby D f2288 USA0.001-0.3615-5.40 
  Sana, Mariano 2135 USA1.0010.43156.45 

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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