Individual Calculations February 2018
 Petri, Wolfgang  Total change: -11.40  Rating chartPersonal card
 27. Erfurter Schachfestival Meisterturnier Erfurt GER 2017-12-26
RcRownchangeKK*chgGame
 2030 2029 3.50 8 -0.57 20 -11.40 
  Thannheiser, Thomas 2216 GER0.001-0.2620-5.20 
  Lagunow, Raphael f2376 GER0.001-0.1120-2.20 
  Waechter, Nathalie 1941 GER0.001-0.6220-12.40 
  Troyke, Jannis 1944 GER1.0010.38207.60 
  Arnhold, Steffi 1894 GER0.001-0.6820-13.60 
  Wolf, Pablo 1954 GER1.0010.40208.00 
  Kraus, Sebastian 1822 GER1.0010.23204.60 
  Stein, Marco 2094 GER0.5010.09201.80 

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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