Individual Calculations March 2011
 Toporkova, Sofia  Total change: 6.75  Rating chartPersonal card
 79th Women’s Champ. St. Petersburg, Semifinal St. Petersburg RUS 2011-01-14
RcRownchangeKK*chgGame
 1831 1609 1.00 3 0.27 25 6.75 
  Sokolova, Vera wf2009  * RUS0.001-0.0825-2.00 
  Chernyak, Viktoria 1706 RUS0.001-0.3725-9.25 
  Orava, Alexandra 1778 RUS1.0010.722518.00 
 * 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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