Individual Calculations July 2009
 Ryvova, Anna  Total change: -3.30  Rating chartPersonal card
 Krajsky prebor Praha Prague CZE 2009-01-16
RcRownchangeKK*chgGame
 2046 1994 1.50 4 -0.22 15 -3.30 
  Urbankova, Eva 2117 CZE0.5010.17152.55 
  Kovar, Petr 1968 CZE0.501-0.0415-0.60 
  Lizner, Jaroslav 2053 CZE0.001-0.4215-6.30 
  Sykora, Petr 2045 CZE0.5010.07151.05 

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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