Individual Calculations April 2008
 Tebb, David J  Total change: 5.85  Rating chartPersonal card
 4NCL 2007/8 part 2 Various ENG 2007-09-15
RcRownchangeKK*chgGame
 2362 2209 1.00 2 0.39 15 5.85 
  Cooley, Chris M 2268 ENG1.0010.58158.70 
  Pert, Richard G m2455 ENG0.001-0.1915-2.85 

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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