Individual Calculations February 2014
 Sierra, Robin  Total change: 15.15  Rating chartPersonal card
 37. Zurich Weihnachtsopen Allgemein Zurich SUI 2013-12-26
RcRownchangeKK*chgGame
 1845 1843 4.00 6 1.01 15 15.15 
  Misic, Andrija 1713 SUI1.0010.32154.80 
  Maag, Rene 1902 SUI0.5010.08151.20 
  Del Val, Moise 1790 SUI0.501-0.0715-1.05 
  Janko, Michel 1969 SUI0.5010.17152.55 
  Brenner, Frank 1822 GER1.0010.47157.05 
  Sach, Tomas 1871 SUI0.5010.04150.60 

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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