Individual Calculations March 2010
 Pfister, Andreas  Total change: -12.00  Rating chartPersonal card
 33. Zurich Weihnachtsopen Allgemein Zurich SUI 2009-12-26
RcRownchangeKK*chgGame
 1880 1875 0.50 2 -0.48 25 -12.00 
  Ristevski, Sasko 1909 SUI0.001-0.4525-11.25 
  Haas, Adrian 1850 SUI0.501-0.0325-0.75 

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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