Individual Calculations March 2011
 Forster, William  Total change: 20.55  Rating chartPersonal card
 118th New Zealand Championship Auckland NZL 2011-01-02
RcRownchangeKK*chgGame
 1985 1908 4.00 10 0.03 15 0.45 
  Barlow, Matthew 2140 NZL0.001-0.2115-3.15 
  Taylor, Richard 1929 NZL0.5010.03150.45 
  Stuart, Peter 2025 NZL1.0010.66159.90 
  Goodhue, Nathan 1996 NZL0.001-0.3815-5.70 
  Milligan, Helen wf2048 NZL0.5010.19152.85 
  Bennett, Hilton 1974 NZL0.001-0.4115-6.15 
  Jackson, L. Ross 1966 NZL0.5010.08151.20 
  Dordevic, Ivan 2019 NZL0.001-0.3515-5.25 
  Gao, Judy wc1914 NZL0.5010.01150.15 
  Gold, Hamish 1841 NZL1.0010.41156.15 

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)
 
 Oceania Zonal 2011 Rotorua NZL 2011-01-25
RcRownchangeKK*chgGame
 2023 1908 4.50 9 1.34 15 20.10 
  Oliver, Gareth 2210 AUS0.001-0.1515-2.25 
  Safarian, Alek 2013 AUS0.001-0.3615-5.40 
  Antoniazzi, Francesco 1685 AUS1.0010.22153.30 
  Tan, Justin 2161 AUS1.0010.811512.15 
  Press, Shaun P c2067 PNG0.5010.21153.15 
  Fitzpatrick, Andrew 2023 AUS0.5010.16152.40 
  Zulfic, Fedja 2024 AUS0.001-0.3415-5.10 
  Kempen, Leon 2003 AUS0.5010.13151.95 
  Davis, Justin M 2023 NZL1.0010.66159.90 

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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