Individual Calculations April 2009
 Taylor, Peter P  Total change: -7.65  Rating chartPersonal card
 4NCL part 2 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2249 2254 0.50 2 -0.51 15 -7.65 
  Duncan, Chris R f2294 ENG0.001-0.4415-6.60 
  Hughes, Howard R 2203 ENG0.501-0.0715-1.05 

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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