Individual Calculations February 2018
 Bielby, Paul R  Total change: 6.80  Rating chartPersonal card
 17th 4NCL Congress Major Harrogate ENG 2018-01-19
RcRownchangeKK*chgGame
 1853 1883 3.00 5 0.34 20 6.80 
  Ross, Stuart 1645 ENG1.0010.20204.00 
  De Coverly, Roger D 1969 ENG0.5010.12202.40 
  Kendall, Paul Sn 1970 ENG0.5010.12202.40 
  Middleton, Tom 1990 ENG0.5010.15203.00 
  May, Paul 1689 ENG0.501-0.2520-5.00 

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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