Individual Calculations July 2009
 Driessen, Marcus  Total change: 8.40  Rating chartPersonal card
 3G - r 6-9 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2013 2181 2.00 2 0.56 15 8.40 
  Ouwens, Bert 1977 NED1.0010.24153.60 
  De Bode, Christian 2049 NED1.0010.32154.80 

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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