Individual Calculations September 2010
 Richards, John  Total change: 2.40  Rating chartPersonal card
 Czech Open 2010 - B Pardubice CZE 2010-07-23
RcRownchangeKK*chgGame
 1960 1822 3.00 9 0.16 15 2.40 
  Janssen, Volker 2024 GER0.5010.26153.90 
  Langenfeld, Olaf 2026 GER0.001-0.2415-3.60 
  Schaarschmidt, Kay 1960 GER0.001-0.3115-4.65 
  Voelz, Michael 1919 GER0.5010.13151.95 
  Preiser, Henrik 1932 CZE0.5010.15152.25 
  Kazennova, Daria 1972 RUS0.001-0.3015-4.50 
  Roehrkasten, Reinhard 1931 GER0.5010.15152.25 
  Riesner, Daniel 1932 GER0.5010.15152.25 
  Ribkinskis, Tomas 1947 LAT0.5010.17152.55 

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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