Individual Calculations August 2012
 Duneas, John  Total change: -8.55  Rating chartPersonal card
 NZ North Island Championship Auckland NZL 2012-07-11
RcRownchangeKK*chgGame
 2023 2092 3.50 7 -0.57 15 -8.55 
  Roberts, Michael H 1838 NZL1.0010.19152.85 
  Browne, Jeremy A 2099 NZL0.001-0.4915-7.35 
  Zhang, William Jiewen 1808 NZL1.0010.16152.40 
  Seabrook, Roy 1871 NZL1.0010.22153.30 
  Dordevic, Ivan 2074 NZL0.501-0.0315-0.45 
  Wallis, Christopher f2251 AUS0.001-0.2915-4.35 
  Smith, Robert W f2218 NZL0.001-0.3315-4.95 

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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