Individual Calculations August 2023
 Ball, Matthew P  Total change: -9.80  Rating chartPersonal card
 2023 British Championship: Weekender - Penrose Leicester ENG 2023-07-21
RcRownchangeKK*chgGame
 1632 1629 1.50 4 -0.49 20 -9.80 
  Ng, Stephen 1618 ENG0.501-0.0220-0.40 
  Khan, Mohammed 1621 ENG0.001-0.5120-10.20 
  Siu, Kam Wa 1690 HKG0.001-0.4220-8.40 
  McKenna, Joshua 1600 WLS1.0010.46209.20 

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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