Individual Calculations June 2023
 Willemsma, Abe  Total change: -24.00  Rating chartPersonal card
 7. Int. Bodensee Open Bregenz AUT 2023-05-13
RcRownchangeKK*chgGame
 1836 2060 5.50 9 -1.20 20 -24.00 
  Legde, Georg f2344 GER0.001-0.1620-3.20 
  Langner, Robin 1813 GER0.001-0.8120-16.20 
  Heron, Andrew 1684 LIE0.501-0.4120-8.20 
  Safonov, Lev 1660  * UKR1.0010.08201.60 
  Walch, Sebastian 1740 AUT1.0010.13202.60 
  Nesimovic, Kemal 1783 AUT0.501-0.3320-6.60 
  Aleksandrova, Aleksandra wf1749 ISR1.0010.14202.80 
  Bravo, Jose 1623 GER1.0010.06201.20 
  Schneider, Heiko 2129 GER0.5010.10202.00 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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