Individual Calculations July 2010
 Ummel, Igor  Total change: 0.00  Rating chartPersonal card
 Washington Open Redmond, WA USA 2010-05-29
RcRownchangeRpKK*chgGame
 2213 0 1.00 3 0.00 2088   0.00 
  Lee, Michael f2391 USA0.0010.00 0.00 
  Botez, V Alexandra wc1966 CAN1.0010.00 0.00 
  Roper, David C f2281 USA0.0010.00 0.00 

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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