Individual Calculations May 2011
 Keller, Karsten  Total change: 21.25  Rating chartPersonal card
 9. Bayer Open Leverkusen GER 2011-01-10
 2198 2147 3.00 5 0.85 25 21.25 
  Witte, Volker, Dr. 1931 GER1.0010.22255.50 
  Khanukov, Boris m2349 GER0.5010.26256.50 
  Ljuboschiz, Alexander, Dr. 2219 GER1.0010.602515.00 
  Wolfradt, Dirk 2182 GER0.5010.05251.25 
  Auer, Martin f2311 GER0.001-0.2825-7.00 

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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