Individual Calculations March 2011
 Van Der Wel, Richard  Total change: 27.75  Rating chartPersonal card
 Dutch Team Competition - 2C - round 5-6 2011 Various NED 2011-01-08
RcRownchangeKK*chgGame
 2104 2065 2.00 2 1.11 25 27.75 
  Duchene, Rene 2196 NED1.0010.682517.00 
  Van Der Beek, Ruud 2012 NED1.0010.432510.75 

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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