Individual Calculations July 2009
 Kiewra, Keaton  Total change: -9.75  Rating chartPersonal card
 2009 TexOhma FIDE Open Richardson, Texas USA 2009-03-14
RcRownchangeKK*chgGame
 2161 2364 1.50 3 -0.65 15 -9.75 
  Zhu, Caroline 2014 USA1.0010.11151.65 
  Chiang, Jonathan 2014 USA0.501-0.3915-5.85 
  Wang, Puchen m2456 NZL0.001-0.3715-5.55 

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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