Individual Calculations May 2012
 Ali, Karim  Total change: 38.10  Rating chartPersonal card
 Nordstrand langsjakk GP 2012 B Oslo NOR 2012-04-20
RcRownchangeKK*chgGame
 1931 1832 2.00 2 1.27 30 38.10 
  Sawa, Sven 1933 NOR1.0010.643019.20 
  Abrahamsen, Knut O 1929 NOR1.0010.633018.90 

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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