Individual Calculations May 2018
 Ashcroft, Graham J  Total change: 2.40  Rating chartPersonal card
 18th 4NCL Congress Major Doncaster ENG 2018-04-13
RcRownchangeKK*chgGame
 1803 1885 2.50 4 0.06 40 2.40 
  May, Paul 1766 ENG1.0010.344013.60 
  Heald, Carl 1833 ENG0.501-0.0740-2.80 
  Livesey, R Nigel 1748 ENG1.0010.324012.80 
  Riding, Mick D 1866 ENG0.001-0.5340-21.20 

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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