Individual Calculations September 2011
 Johnson, Quentin J F  Total change: 11.25  Rating chartPersonal card
 South Island Championship Christchurch NZL 2011-07-27
 1969 2116 5.50 7 0.75 15 11.25 
  Cooper, Nigel 1772 NZL1.0010.12151.80 
  McDonald, John A 2058 NZL1.0010.42156.30 
  Lukey, Stephen G f2247 NZL0.001-0.3215-4.80 
  Lyall, Simon 1820 NZL1.0010.15152.25 
  McKerras, Ross 2016 NZL1.0010.36155.40 
  Benson, Christopher 1906 NZL0.501-0.2715-4.05 
  Jackson, L Ross 1961 NZL1.0010.29154.35 

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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