Individual Calculations January 2010
 Britton, Richard L  Total change: -25.05  Rating chartPersonal card
 London Chess Classic Open London ENG 2009-12-08
RcRownchangeKK*chgGame
 2144 2254 3.50 8 -1.67 15 -25.05 
  Barton, R Alan 2119 ENG1.0010.32154.80 
  Crawley, Gavin m2407 ENG0.001-0.3015-4.50 
  Pedersen, Carsten 2155 DEN0.501-0.1415-2.10 
  Seymour, Timothy P 2041 ENG0.501-0.2715-4.05 
  Gavriel, Tryfon C 2153 ENG0.001-0.6415-9.60 
  Clarke, Brandon G I 2056 ENG0.501-0.2615-3.90 
  Cannon, Raymond C 2067 ENG0.501-0.2415-3.60 
  Krawczyk, Andrzej 2152 POL0.501-0.1415-2.10 

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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