Individual Calculations September 2011
 Jackson, L Ross  Total change: 5.25  Rating chartPersonal card
 South Island Championship Christchurch NZL 2011-07-27
RcRownchangeKK*chgGame
 2000 1961 3.50 7 0.35 15 5.25 
  Lyall, Simon 1820 NZL0.501-0.1915-2.85 
  McKerras, Ross 2016 NZL0.5010.08151.20 
  Rains, Timothy 1748 NZL1.0010.23153.45 
  Hothersall, Rik 1997 NZL1.0010.55158.25 
  Lukey, Stephen G f2247 NZL0.5010.34155.10 
  McDonald, John A 2058 NZL0.001-0.3715-5.55 
  Johnson, Quentin J F 2116 NZL0.001-0.2915-4.35 

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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