Individual Calculations March 2011
 Rohonyan, Katerina  Total change: 3.15  Rating chartPersonal card
 Washington State Championship - Championship Seattle, Washington USA 2011-02-12
RcRownchangeKK*chgGame
 2239 2306 5.50 9 0.21 15 3.15 
  Kelley, Dereque D 2167 USA0.501-0.1915-2.85 
  Sinanan, Joshua C 2276 USA1.0010.46156.90 
  Greninger, Harley 2215 USA0.501-0.1215-1.80 
  Bragg, David R f2188 USA1.0010.34155.10 
  Cozianu, Costin f2446 ROU0.001-0.3115-4.65 
  Chen, Howard J 2260 USA0.001-0.5615-8.40 
  Ummel, Igor 2049 USA1.0010.18152.70 
  Perez, Ignacio f2249 USA1.0010.42156.30 
  Collyer, Curt D f2302 USA0.501-0.0115-0.15 

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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