Individual Calculations July 2009
 Edwards, Nicholas L  Total change: -15.50  Rating chartPersonal card
 Coulsdon Winter Premiership Coulsdon ENG 2008-09-01
RcRownchangeKK*chgGame
 2133 2013 2.50 9 -0.62 25 -15.50 
  Zhou, Yang-Fan 2259 ENG0.001-0.1925-4.75 
  Williams, Peter A Jnr 1867 ENG0.001-0.7025-17.50 
  Lock, Gavin R 2232 ENG0.5010.28257.00 
  Bailey, Kevin J 2061 ENG0.001-0.4325-10.75 
  Rawlinson, Aidan M 2243 ENG0.001-0.2125-5.25 
  Snape, Ian L 2204 ENG0.001-0.2525-6.25 
  Osborne, Marcus E 2232 ENG0.001-0.2225-5.50 
  Prizant, Michael 2147 ENG1.0010.682517.00 
  Darville, Matt 1952 ENG1.0010.422510.50 

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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