Individual Calculations March 2013
 Sang, Tian  Total change: -0.60  Rating chartPersonal card
 2013 Washington Championship - Championship Section Seattle, Washington USA 2013-02-09
RcRownchangeKK*chgGame
 2209 2296 5.50 9 -0.04 15 -0.60 
  Sen, Samir 2175 USA1.0010.34155.10 
  Ummel, Igor 2169 USA0.501-0.1715-2.55 
  Golub, David 2182 USA1.0010.34155.10 
  Collyer, Curt D f2316 USA0.001-0.4715-7.05 
  Lee, Nathan Y 2105 USA0.501-0.2515-3.75 
  Feng, Roland 2092 USA0.001-0.7615-11.40 
  Perez, Ignacio f2189 USA1.0010.35155.25 
  Cozianu, Costin f2426 ROU0.5010.18152.70 
  Sinanan, Joshua C 2226 USA1.0010.40156.00 

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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