Individual Calculations September 2010
 Periwal, Prashant  Total change: -8.00  Rating chartPersonal card
 Summer Tuesday Night Marathon San Francisco, California USA 2010-05-25
RcRownchangeKK*chgGame
 2057 1925 0.00 1 -0.32 25 -8.00 
  Traub, Igor 2057 USA0.001-0.3225-8.00 

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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