Individual Calculations April 2009
 Duijker, Rick  Total change: 1.50  Rating chartPersonal card
 1A - r 4-5 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2258 2220 1.00 2 0.10 15 1.50 
  Monteban, Martijn f2280 NED1.0010.58158.70 
  Lehmann, Holger 2235 GER0.001-0.4815-7.20 

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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