Individual Calculations May 2015
 De Ruijter, Luuk  Total change: 28.20  Rating chartPersonal card
 Dutch Team Competition 2014-2015 - 2C - round 8-9 Various NED 2015-04-11
RcRownchangeKK*chgGame
 2251 2089 2.00 2 1.41 20 28.20 
  Nikolic, Nebojsa m2329 BIH1.0010.802016.00 
  Van Der Plas, Rob 2172 NED1.0010.612012.20 

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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