Individual Calculations August 2012
 Van Der Wiel, John T.h.  Total change: -10.60  Rating chartPersonal card
 6e Leiden Chess Tournament - Group A Leiden NED 2012-07-06
RcRownchangeKK*chgGame
 2186 2430 6.00 9 -1.06 10 -10.60 
  Noordkamp, Wouter 2032 NED0.501-0.4210-4.20 
  Vreeburg, Jan 2030  * NED1.0010.08100.80 
  Wilschut, Peter 2233 NED0.501-0.2510-2.50 
  Zakhartsov, Vladimir 2271 RUS0.501-0.2110-2.10 
  Vrublevskaya, Olga wm2129 RUS0.501-0.3510-3.50 
  Iturbide Arnedo, Oscar 2113 ESP1.0010.13101.30 
  Goudriaan, Etienne f2375 NED0.501-0.0810-0.80 
  Rijnaarts, Sjef f2319 NED0.501-0.1510-1.50 
  Ypma, Peter 2175 NED1.0010.19101.90 
 * 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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