Individual Calculations May 2023
 Dale, Ari  Total change: -7.20  Rating chartPersonal card
 2023 O2C Doeberl Cup Premier Canberra AUS 2023-04-06
RcRownchangeKK*chgGame
 2109 2331 6.00 9 -0.72 10 -7.20 
  Yin, Wenlin 1944 AUS1.0010.09100.90 
  Ooi, Jayden 1931  * AUS0.001-0.9210-9.20 
  Dowden, Tony c1949 NZL0.501-0.4110-4.10 
  Li, Tedric 1936 AUS1.0010.08100.80 
  Dai, Cheng 2017 AUS1.0010.14101.40 
  Kethro, Michael f2126 AUS0.501-0.2610-2.60 
  Liu, Yi f2319 AUS1.0010.48104.80 
  Cannon, David f2113 AUS1.0010.22102.20 
  Melkumyan, Hrant g2645 ARM0.001-0.1410-1.40 
 * 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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