Individual Calculations February 2020
 Barber, Andrew  Total change: 4.40  Rating chartPersonal card
 24th 4NCL Congress Major Harrogate ENG 2020-01-17
RcRownchangeKK*chgGame
 1751 1822 2.50 4 0.11 40 4.40 
  Bitlloch, Jordi 1683 ENG0.501-0.1940-7.60 
  Waterfield, Mark 1688 ENG1.0010.324012.80 
  May, Paul 1753 ENG1.0010.404016.00 
  Burns, Martin J 1878 ENG0.001-0.4240-16.80 

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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