Individual Calculations February 2013
 Sierra, Robin  Total change: -6.00  Rating chartPersonal card
 36. Zurich Weihnachtsopen Allgemei Zurich SUI 2012-12-26
RcRownchangeKK*chgGame
 1685 1847 4.00 6 -0.20 30 -6.00 
  Hess, Bryan 1514 SUI0.001-0.8830-26.40 
  Schuler, Agatha 1590 SUI1.0010.18305.40 
  Wunderlin, Thomas 1733 SUI1.0010.343010.20 
  Retti, Marco 1728 SUI1.0010.343010.20 
  Maffioli, Massimo 1917 SUI1.0010.603018.00 
  Frei, Alexander 1628 GER0.001-0.7830-23.40 

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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