Individual Calculations January 2009
 Nijman, Arie  Total change: -8.00  Rating chartPersonal card
 South Island Championship 2008 Kaikoura NZL 2008-10-08
RcRownchangeKK*chgGame
 2070 1882 0.50 3 -0.32 25 -8.00 
  Toth, Andras m2232 HUN0.001-0.1125-2.75 
  Bennett, Hilton 2022 NZL0.5010.19254.75 
  Fraemohs, Peter 1955 NZL0.001-0.4025-10.00 

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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