Individual Calculations September 2016
 Kiwan, Saleem M  Total change: -28.80  Rating chartPersonal card
 21st Annual Pacific Coast Open Ontario, California USA 2016-08-12
RcRownchangeKK*chgGame
 1948 1918 2.00 6 -0.72 40 -28.80 
  Costello, Alexander 1834 USA0.001-0.6240-24.80 
  Wu, Oliver 1579 TPE1.0010.12404.80 
  Desousa, Brian 1982 USA1.0010.594023.60 
  Serpik, Ilia V. 2152 USA0.001-0.2140-8.40 
  Schill, William f2137 USA0.001-0.2240-8.80 
  Ge, Anthony 2003 USA0.001-0.3840-15.20 

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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