Individual Calculations January 2009
 Anderton, David W  Total change: -14.25  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2258 2239 0.00 2 -0.95 15 -14.25 
  Twyble, Michael S 2261 ENG0.001-0.4715-7.05 
  Ledger, Dave J f2254 ENG0.001-0.4815-7.20 

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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