Individual Calculations July 2015
 Andersen, Alec C  Total change: -7.60  Rating chartPersonal card
 2015 National Open Las Vegas, Nevada USA 2015-06-19
RcRownchangeKK*chgGame
 2143 2039 2.00 6 -0.19 40 -7.60 
  Morshedi, Ali f2232 USA0.5010.254010.00 
  Hilby, Craig 2248 USA0.001-0.2340-9.20 
  Salman, Nachum f2162 USA1.0010.674026.80 
  Mousseri, Daniel Y 2099 USA0.001-0.4240-16.80 
  He, Daniel 2183 USA0.001-0.3140-12.40 
  Guo, Arthur c1931 USA0.501-0.1540-6.00 

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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