Individual Calculations February 2018
 Cawston, M John  Total change: 8.40  Rating chartPersonal card
 17th 4NCL Congress Major Harrogate ENG 2018-01-19
RcRownchangeKK*chgGame
 1829 1856 2.00 3 0.42 20 8.40 
  Czestochowski, Eddie 1612 ENG1.0010.20204.00 
  Cohen, Gerald M 1953 ENG1.0010.632012.60 
  Webster, Richard J 1921 ENG0.001-0.4120-8.20 

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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