Individual Calculations September 2022
 Patrick, David A  Total change: 2.60  Rating chartPersonal card
 Chessable British Chess Championships 2022: Over 50 Torquay ENG 2022-08-15
RcRownchangeKK*chgGame
 1926 1803 2.50 7 0.13 20 2.60 
  Dilleigh, Stephen P 2040 ENG0.5010.30206.00 
  Brown, Alan M 2013 ENG0.5010.27205.40 
  Handley, Michael R 1975 ENG0.5010.23204.60 
  Bass, John W 1996 ENG0.5010.25205.00 
  Stinton-Brownbridge, Michael H 1895 ENG0.5010.13202.60 
  Reuben, Stewart c1946 ENG0.001-0.3120-6.20 
  McCarron, Peter D J 1616 ENG0.001-0.7420-14.80 

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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