Individual Calculations January 2014
 Boger, Raymond  Total change: 12.45  Rating chartPersonal card
 5th London Chess Classic 2013: Open London ENG 2013-12-07
RcRownchangeKK*chgGame
 2166 1937 2.50 7 0.83 15 12.45 
  Crouch, Colin S m2337  * ENG0.5010.42156.30 
  Houska, Jovanka mwg2337  * ENG0.001-0.0815-1.20 
  Quinn, John M 2130 ENG0.001-0.2515-3.75 
  Harari, Zaki 2118 ENG1.0010.741511.10 
  Mende, Andreas c2161 GER0.001-0.2215-3.30 
  Berry, Neil f2242 SCO0.001-0.1415-2.10 
  Dror, Levi 1835 ISR1.0010.36155.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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