Individual Calculations December 2023
 Cumming, Rhys  Total change: -10.20  Rating chartPersonal card
 Open Internacional Cidade de Lagos Lagos POR 2023-10-28
RcRownchangeKK*chgGame
 2081 2298 6.00 9 -0.51 20 -10.20 
  Ryabukhina, Veronika 1898  * FID1.0010.08201.60 
  De Kruif, Kees 1887 NED1.0010.08201.60 
  Gusain, Himal m2437 IND0.001-0.3120-6.20 
  Bugaj, Hanna 1927 POL1.0010.10202.00 
  Shadhursshaan, R 1862 IND1.0010.06201.20 
  Sousa, Andre Ventura m2441 POR0.5010.19203.80 
  Loiacono, Leonardo f2289 ITA0.001-0.5120-10.20 
  Blake, J Morgan 1984 ENG0.501-0.3620-7.20 
  Kubik, Rafal 2008 POL1.0010.16203.20 
 * 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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