Individual Calculations April 2009
 Morrison, Graham  Total change: 5.40  Rating chartPersonal card
 4NCL part 2 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2472 2328 1.00 2 0.36 15 5.40 
  Rowson, Jonathan W g2596 SCO0.5010.33154.95 
  Rogers, Jonathan W f2347 ENG0.5010.03150.45 

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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