Individual Calculations September 2009
 Zatonskih, Anna  Total change: -4.50  Rating chartPersonal card
 Intomart GfK Open 2009 Hilversum NED 2009-06-28
RcRownchangeKK*chgGame
 2323 2461 5.50 9 -0.45 10 -4.50 
  Goes, Sten 2127 NED1.0010.12101.20 
  Van Der Lende, Ilias 2111 NED1.0010.11101.10 
  Krasenkow, Michal g2622 POL0.001-0.2910-2.90 
  Hendriks, Willy m2447 NED0.001-0.5210-5.20 
  Motoc, Alina wg2304 ROU1.0010.29102.90 
  Bitalzadeh, Ali m2417 NED0.001-0.5610-5.60 
  De Groote, Ewoud 2191 NED1.0010.17101.70 
  In`t Veld, Daan 2168 NED1.0010.15101.50 
  Giri, Anish f2517 NED0.5010.08100.80 

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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