Individual Calculations July 2012
 Kollen, Zyon  Total change: -22.20  Rating chartPersonal card
 NK-U20 Haarlem NED 2012-04-28
RcRownchangeKK*chgGame
 2076 2128 3.00 8 -1.48 15 -22.20 
  Brantjes, Yme 1779 NED1.0010.11151.65 
  Van Foreest, Jorden 2172 NED0.5010.06150.90 
  Maatman, Nick 2068 NED0.001-0.5815-8.70 
  Van Osch, Mees 2024 NED0.001-0.6415-9.60 
  Sekandar, Kambiz 1996 NED0.501-0.1815-2.70 
  Bijlsma, Nick 2144 NED0.5010.02150.30 
  Haast, Anne wm2282 NED0.001-0.2915-4.35 
  Von Meijenfeldt, Bart 2144 NED0.5010.02150.30 

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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