Individual Calculations July 2009
 Clarke, Brandon G I  Total change: 13.35  Rating chartPersonal card
 4NCL part 3 Various ENG 2008-10-04
RcRownchangeKK*chgGame
 2133 1993 1.50 2 0.87 15 13.05 
  Stevenson, James A B 2073 SCO1.0010.61159.15 
  Walton, Alan J c2193 ENG0.5010.26153.90 

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)
 
 Leicestershire International pt1 Lutterworth ENG 2009-05-01
RcRownchangeKK*chgGame
 2016 2001 1.00 2 0.02 15 0.30 
  Harrison, Peter K 1680 ENG1.0010.13151.95 
  Hebden, Mark L g2351 ENG0.001-0.1115-1.65 

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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