Individual Calculations September 2009
 Eade, Don  Total change: 21.90  Rating chartPersonal card
 Waikato Open 2009 Hamilton NZL 2009-08-07
RcRownchangeKK*chgGame
 2172 1897 2.00 3 1.46 15 21.90 
  Steadman, Michael 2261 NZL0.001-0.1015-1.50 
  Spain, Graeme 2217 NZL1.0010.871513.05 
  Fuatai, Fuatai 2037 NZL1.0010.691510.35 

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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