Individual Calculations February 2020
 Friesen, Viktor  Total change: -11.40  Rating chartPersonal card
 22. Ruegenwalder NordWest-Cup Open A Bad Zwischenahn GER 2020-01-23
RcRownchangeKK*chgGame
 1966 2177 2.50 4 -0.57 20 -11.40 
  Janzen, Alexej 1919 GER0.501-0.3220-6.40 
  Geers, Bernhard 1918 GER1.0010.18203.60 
  Pahl, Erik 2032 GER0.001-0.6920-13.80 
  Ziller, Christian 1994 GER1.0010.26205.20 

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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