Individual Calculations February 2017
 Robinson, Brian  Total change: 11.20  Rating chartPersonal card
 12th 4NCL Congress Major Harrogate ENG 2017-01-06
RcRownchangeKK*chgGame
 1781 1565 1.00 3 0.28 40 11.20 
  Press, Harry 1892 AUS0.001-0.1340-5.20 
  Bin-Suhayl, Yousuf 1813 ENG0.5010.314012.40 
  Matthews, Graham W 1637 ENG0.5010.10404.00 

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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