Individual Calculations January 2009
 Speelman, Jon S  Total change: 5.90  Rating chartPersonal card
 4NCL part 1 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2456 2530 3.00 4 0.59 10 5.90 
  Collinson, Adam R f2388 ENG0.501-0.1910-1.90 
  Hunt, Adam C m2431 ENG1.0010.36103.60 
  Cobb, Charles A m2407 ENG1.0010.33103.30 
  Rowson, Jonathan W g2596 SCO0.5010.09100.90 

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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