Individual Calculations July 2009
 Roobol, Martin  Total change: 7.05  Rating chartPersonal card
 Meester - r 6-9 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2322 2330 2.50 4 0.47 15 7.05 
  Ondersteijn, Niels f2254 NED1.0010.40156.00 
  Hoeksema, Erik m2335 NED0.5010.01150.15 
  Van De Griendt, Jan Willem f2356 NED0.5010.04150.60 
  Van Beek, Lucien m2344 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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