Individual Calculations May 2010
 Sugden, John N  Total change: -6.30  Rating chartPersonal card
 Southend Open Southend ENG 2010-04-02
RcRownchangeKK*chgGame
 2113 2212 4.00 7 -0.42 15 -6.30 
  White, Graham C 1920 ENG1.0010.15152.25 
  Gamble, Raymond J 2046 ENG1.0010.28154.20 
  Arkell, Keith C g2474 ENG0.001-0.1815-2.70 
  Amato, Giampiero 2044 ITA0.501-0.2215-3.30 
  Wilson, Alexandra wf2065 SUI1.0010.30154.50 
  O`Toole, George E 2150 ENG0.001-0.5915-8.85 
  Baptie, Justin P 2095 ENG0.501-0.1615-2.40 

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)
 

 

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