Individual Calculations November 2009
 Rosen, Daniel B  Total change: 7.50  Rating chartPersonal card
 Paignton Chess Congress Torbay ENG 2009-09-06
RcRownchangeKK*chgGame
 2083 2137 4.50 7 0.50 15 7.50 
  Bartlett, Simon 2018 ENG1.0010.34155.10 
  Hassall, Mark I 1935 ENG0.501-0.2615-3.90 
  Spanton, Tim R 2009 ENG0.501-0.1715-2.55 
  McKenna, Jason P 2155 ENG1.0010.53157.95 
  Berry, Stephen H f2315 ENG0.5010.23153.45 
  Almond, Richard J 2144 ENG0.5010.01150.15 
  Hickman, John E 2006 ENG0.501-0.1815-2.70 

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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