Individual Calculations July 2008
 Marchant, Geoffrey  Total change: 13.50  Rating chartPersonal card
 Coulsdon Easter Challengers Coulsdon ENG 2008-04-07
RcRownchangeKK*chgGame
 2002 1847 3.00 8 0.54 25 13.50 
  Gibbs, Dominic V 2018 ENG1.0010.732518.25 
  Fordham, Nicholas 1801 ENG0.501-0.0625-1.50 
  Bailey, Kevin J 2062 ENG0.001-0.2325-5.75 
  Gibson, Christopher A 2039 ENG1.0010.752518.75 
  Ponting, Andrew 1809 ENG0.501-0.0525-1.25 
  Haydon, David L 2105 ENG0.001-0.1825-4.50 
  Tavoularis, Nicholas 2184 GRE0.001-0.1225-3.00 
  Sen, Subin 1999 ENG0.001-0.3025-7.50 

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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