Individual Calculations April 2008
 Williams, Samuel G  Total change: -8.25  Rating chartPersonal card
 4NCL 2007/8 part 2 Various ENG 2007-09-15
RcRownchangeKK*chgGame
 2444 2267 0.00 2 -0.55 15 -8.25 
  Sowray, Peter J f2352 ENG0.001-0.3815-5.70 
  Pert, Nicholas g2536 ENG0.001-0.1715-2.55 

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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