Individual Calculations July 2008
 Russell, Christopher  Total change: -18.15  Rating chartPersonal card
 Glorney Cup Dublin IRL 2007-07-24
RcRownchangeKK*chgGame
 1949 2021 0.50 2 -0.70 15 -10.50 
  Coleman, Robbie 1969 SCO0.501-0.0715-1.05 
  Osborne, Sam 1929 IRL0.001-0.6315-9.45 

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)
 
 4NCL 2007/8 Part 3 Various ENG 2007-09-15
RcRownchangeKK*chgGame
 2018 2021 0.50 2 -0.51 15 -7.65 
  Coates, David H 1969 ENG0.501-0.0715-1.05 
  Wilson, Alexandra wf2066 SUI0.001-0.4415-6.60 

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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