Individual Calculations July 2009
 Prizant, Michael  Total change: -19.35  Rating chartPersonal card
 Coulsdon Winter Premiership Coulsdon ENG 2008-09-01
RcRownchangeKK*chgGame
 2118 2147 3.50 9 -1.29 15 -19.35 
  Williams, Peter A Jnr 1867 ENG0.501-0.3415-5.10 
  Lock, Gavin R 2232 ENG0.001-0.3815-5.70 
  Zhou, Yang-Fan 2259 ENG0.001-0.3515-5.25 
  Rawlinson, Aidan M 2243 ENG0.5010.13151.95 
  Snape, Ian L 2204 ENG0.5010.08151.20 
  Bailey, Kevin J 2061 ENG0.001-0.6215-9.30 
  Darville, Matt 1952 ENG1.0010.25153.75 
  Edwards, Nicholas L 2013 ENG0.001-0.6815-10.20 
  Osborne, Marcus E 2232 ENG1.0010.62159.30 

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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