Individual Calculations April 2009
 Wemmers, Xander  Total change: -2.30  Rating chartPersonal card
 1A - r 4-5 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2300 2384 1.00 2 -0.23 10 -2.30 
  Jonker, Marc 2305 NED0.001-0.6110-6.10 
  Van Ketel, Raoul f2295 NED1.0010.38103.80 

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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