Individual Calculations February 2020
 Petri, Wolfgang  Total change: -1.00  Rating chartPersonal card
 29. Erfurter Schachfestival Meisterturnier Erfurt GER 2019-12-26
RcRownchangeKK*chgGame
 2070 2023 3.00 7 -0.05 20 -1.00 
  Schmuecker, Marcus 2210 GER0.001-0.2620-5.20 
  Weimert, Miriam 1845 GER1.0010.27205.40 
  Jedinger, Andreas 2117 AUT1.0010.632012.60 
  Wong, Gengchun 2180 GER0.001-0.2920-5.80 
  Hundack, Rolf 2163 GER0.001-0.3120-6.20 
  Pellicoro, Nathalie 1860 SUI1.0010.28205.60 
  Cordes, Klaus 2118 GER0.001-0.3720-7.40 

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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