Individual Calculations April 2009
 Hart, Ralph  Total change: 31.65  Rating chartPersonal card
 Waikato Open 2008 Hamilton NZL 2008-08-08
RcRownchangeKK*chgGame
 2163 2215 5.50 6 2.11 15 31.65 
  Lynn, William 1980 NZL1.0010.21153.15 
  Bennett, Hilton 2043 NZL1.0010.27154.05 
  Smith, Robert W f2316 NZL1.0010.64159.60 
  Spain, Graeme 2218 NZL1.0010.50157.50 
  Han, Daniel 2195 NZL1.0010.47157.05 
  Steadman, Michael 2226 NZL0.5010.02150.30 

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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