Individual Calculations March 2011
 Lachat, Martin  Total change: -7.25  Rating chartPersonal card
 34. Zurich Weihnachtsopen Allgemein Zurich SUI 2010-12-26
RcRownchangeKK*chgGame
 1898 1651 0.50 4 -0.29 25 -7.25 
  Zindel, Ernst 1959 SUI0.001-0.1425-3.50 
  Boudkeev, Timour 1836 SUI0.001-0.2625-6.50 
  Joncic, Dragan 1904 SUI0.001-0.1925-4.75 
  Fallet, Patrick 1891 SUI0.5010.30257.50 

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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