Individual Calculations September 2011
 McDonald, John A  Total change: 10.05  Rating chartPersonal card
 South Island Championship Christchurch NZL 2011-07-27
RcRownchangeKK*chgGame
 1964 2058 5.00 7 0.67 15 10.05 
  Gloistein, Bruce H 1807 NZL1.0010.19152.85 
  Gold, Hamish 1831 NZL1.0010.21153.15 
  Johnson, Quentin J F 2116 NZL0.001-0.4215-6.30 
  Dolejs, Dan 1882 NZL1.0010.27154.05 
  Lukey, Stephen G f2247 NZL0.001-0.2515-3.75 
  Jackson, L Ross 1961 NZL1.0010.37155.55 
  Benson, Christopher 1906 NZL1.0010.30154.50 

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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