Rapid: Individual Calculations September 2013
 Graham, William  Total change: -8.00  Rating chartPersonal card
 British Championship Rapidplay Week 2 Torquay ENG 2013-08-04
RcRownchangeKK*chgGame
 2065 1822 0.00 2 -0.40 20 -8.00 
  Mercs, Peter J 2109 ENG0.001-0.1620-3.20 
  Brusey, Alan 2020 ENG0.001-0.2420-4.80 

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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