Individual Calculations April 2008
 Roberson, Peter T  Total change: -5.85  Rating chartPersonal card
 4NCL 2007/8 part 2 Various ENG 2007-09-15
RcRownchangeKK*chgGame
 2452 2209 0.00 2 -0.39 15 -5.85 
  Martin, Andrew D m2425 ENG0.001-0.2215-3.30 
  Flear, Glenn C g2479 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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