Individual Calculations July 2009
 Jackson, L. Ross  Total change: -15.45  Rating chartPersonal card
 North Island Championship Wellington NZL 2009-04-10
RcRownchangeKK*chgGame
 1916 2011 2.00 4 -0.47 15 -7.05 
  Burns, Christopher John 2060 NZL0.001-0.4315-6.45 
  Mitchell, Robert 1732 NZL1.0010.16152.40 
  Cruden, Neil 1908 NZL1.0010.36155.40 
  King, Mathew 1965 NZL0.001-0.5615-8.40 

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)
 
 32nd Waitakere Open Auckland NZL 2009-05-30
RcRownchangeKK*chgGame
 1930 2011 2.50 5 -0.56 15 -8.40 
  Wright, Caleb 1925 NZL0.501-0.1215-1.80 
  Maroroa, Sue wf1894 NZL0.501-0.1615-2.40 
  Gao, Judy wc1907 NZL0.001-0.6415-9.60 
  Tanoi, Toleafoa E 1937 NZL1.0010.40156.00 
  Milligan, Helen wf1985 NZL0.501-0.0415-0.60 

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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