Individual Calculations January 2019
 Quinn, John M  Total change: -37.00  Rating chartPersonal card
 10th CSC London Chess Classic: FIDE Open London ENG 2018-12-09
RcRownchangeKK*chgGame
 2061 2160 3.00 8 -1.85 20 -37.00 
  Cotter, Len 1760  * ENG1.0010.08201.60 
  Megalios, Konstantinos 2365 GRE0.001-0.2420-4.80 
  Elsness, Frode m2447 NOR0.001-0.1620-3.20 
  Cramling Bellon, Anna wf1959 SWE1.0010.24204.80 
  Lane, Gary W m2353 AUS0.001-0.2520-5.00 
  Thatte, Nishchal 1760  * ENG0.001-0.9220-18.40 
  Balaji, Aaravamudhan 1914 ENG0.501-0.3120-6.20 
  Edwards, Simon R 1931 ENG0.501-0.2920-5.80 
 * 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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