Individual Calculations December 2023
 Dobson, Graham  Total change: -71.20  Rating chartPersonal card
 46th Scarborough Congress Scarborough ENG 2023-10-27
RcRownchangeKK*chgGame
 1851 1908 0.50 4 -1.78 40 -71.20 
  White, Stuart A 2024 SCO0.001-0.3440-13.60 
  Bharat Kumar, Balahari 1936 ENG0.001-0.4640-18.40 
  Sheppard, Derek Alan 1669 ENG0.501-0.3040-12.00 
  Ilett, Raymond J 1773 ENG0.001-0.6840-27.20 

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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