Individual Calculations September 2023
 Prober, Raphael  Total change: -4.40  Rating chartPersonal card
 2. Wiener Amateurschachklub Open 2023 Gruppe C Vienna AUT 2023-08-11
RcRownchangeKK*chgGame
 1412 1454 1.00 2 -0.11 40 -4.40 
  Wolff, Calvin 1363 GER1.0010.384015.20 
  Grujicic, Momcilo 1460 AUT0.001-0.4940-19.60 

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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