Individual Calculations October 2021
 Johnson, Paul A  Total change: -30.80  Rating chartPersonal card
 Northumbria Masters Open 2021 Newcastle ENG 2021-08-26
RcRownchangeKK*chgGame
 1922 1812 1.00 7 -1.54 20 -30.80 
  Villiers, Thomas c2165 ENG0.001-0.1120-2.20 
  Rathbone-Jones, Ifan 1941 WLS0.001-0.3320-6.60 
  De Coverly, Roger D 1954 ENG0.001-0.3120-6.20 
  Chan, Sheng Liang Bernard 1870 MAS0.001-0.4220-8.40 
  Nandi, Robin J 1867 ENG1.0010.582011.60 
  Bansal, Saahil 1745 ENG0.001-0.5920-11.80 
  Shepley, Julien M 1913 ENG0.001-0.3620-7.20 

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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