Individual Calculations July 2009
 Bryant, Richard B E  Total change: 14.50  Rating chartPersonal card
 4NCL part 3 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 1957 1938 2.00 3 0.58 25 14.50 
  Jones, Christopher M 1948 ENG0.5010.01250.25 
  Elwin, Adrian G 2015 ENG1.0010.612515.25 
  Hilton, Steve H 1907 SCO0.501-0.0425-1.00 

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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