Individual Calculations September 2017
 Williams, Johann  Total change: 34.80  Rating chartPersonal card
 Lucerne Open 2017 Lucerne SUI 2017-08-12
RcRownchangeKK*chgGame
 1941 2010 5.00 7 0.87 40 34.80 
  Buettiker, Stephan 1784 SUI0.501-0.2940-11.60 
  Gautier, Marc 1796 FRA1.0010.23409.20 
  Papakonstantinou, Spyridon 2139 GRE0.001-0.3340-13.20 
  Urwyler, Nikash 1847 SUI0.501-0.2240-8.80 
  Perreard, Nicolas 1858 SUI1.0010.304012.00 
  Abaecherli, Simon 1937 SUI1.0010.404016.00 
  Hristodorescu, Daniel f2226 ROU1.0010.784031.20 

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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