Individual Calculations July 2019
 Vaughan, John  Total change: -15.20  Rating chartPersonal card
 CCF Cup 2020 U1750 Rounds 1-4 London ENG 2019-06-03
RcRownchangeKK*chgGame
 1489 1494 1.00 4 -1.03 20 -20.60 
  Morgan, David A 1538 WLS0.001-0.4420-8.80 
  Boztas, Lana 1460 ENG0.001-0.5520-11.00 
  Stoneman, Ian D 1432 ENG1.0010.41208.20 
  Fernandes, Aaron 1527 ENG0.001-0.4520-9.00 

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)
 
 CCF Daytime Chess Club 2018-19 Stage 12 London ENG 2019-06-05
RcRownchangeKK*chgGame
 1407 1494 2.00 3 0.27 20 5.40 
  Miles, Barry S 1495 ENG1.0010.502010.00 
  Allan, Brian W 1633 SCO0.001-0.3120-6.20 
  Wimble, Garry 1094  * ENG1.0010.08201.60 
 * 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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