Individual Calculations May 2012
 Witkamp, Jarno  Total change: 8.25  Rating chartPersonal card
 Dutch Team Competition - 3E - Round 7-9 Various NED 2012-03-10
RcRownchangeKK*chgGame
 1877 1861 1.50 2 0.55 15 8.25 
  Kevlishvili, Robby 1874 NED0.5010.02150.30 
  Moors, Marc 1879 BEL1.0010.53157.95 

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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