Individual Calculations April 2008
 Hummel, Erik-Jan  Total change: 2.25  Rating chartPersonal card
 Dutch Team Competition - 2A - round 5-6 Various NED 2007-09-15
RcRownchangeKK*chgGame
 2229 2173 1.00 2 0.15 15 2.25 
  Tolk, Pieter f2201 NED1.0010.54158.10 
  Blaauw, Casper 2256 NED0.001-0.3915-5.85 

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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