Individual Calculations September 2012
 Viersma, Murk  Total change: -3.90  Rating chartPersonal card
 Dutch Open 2012 - Reservegroep A Dieren NED 2012-07-24
RcRownchangeKK*chgGame
 2010 1876 2.00 7 -0.26 15 -3.90 
  Noordkamp, Wouter 2032 NED0.5010.21153.15 
  Hummel, Joop 2017 NED0.5010.19152.85 
  De Wit, Albert 2019 NED0.001-0.3115-4.65 
  Boulahfa, Hicham 2098 NED0.001-0.2215-3.30 
  Montsma, Foppe-Jan 1928 NED0.5010.07151.05 
  Scholten, Karel 1926 NED0.5010.07151.05 
  Van Der Beek, Ruud 2052 NED0.001-0.2715-4.05 

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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