Individual Calculations November 2010
 Irwin, Mark  Total change: 5.10  Rating chartPersonal card
 Dutch Team Competition - 2B - round 1-2 Various NED 2010-09-25
RcRownchangeKK*chgGame
 2138 2199 1.50 2 0.34 15 5.10 
  Van Den Berg, Bram 2227 NED1.0010.54158.10 
  Gorissen, Hugo 2048 NED0.501-0.2015-3.00 

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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