Individual Calculations April 2009
 Rademakers, Maarten  Total change: 4.75  Rating chartPersonal card
 2C - r 4-5 - Dutch Team Competition Various NED 2008-09-27
RcRownchangeKK*chgGame
 2034 1962 1.00 2 0.19 25 4.75 
  Roering, Ed 2145 NED0.5010.24256.00 
  Van Zetten, Maarten 1923 NED0.501-0.0525-1.25 

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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