Individual Calculations May 2010
 Ostrovskiy, Anatoliy  Total change: 6.25  Rating chartPersonal card
 40th Annual World Amateur Team & US Tean East Parsippany, New Jersey USA 2010-02-13
RcRownchangeKK*chgGame
 2300 1963 0.50 2 0.25 25 6.25 
  Greenberg, Roy 2236 USA0.5010.33258.25 
  Arnold, Marc Tyler m2363  * USA0.001-0.0825-2.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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