Rapid: Individual Calculations October 2021
 McWilliams, Mark  Total change: -16.80  Rating chartPersonal card
 Muswell Hill FIDE Rapid SEP1 London ENG 2021-09-07
RcRownchangeKK*chgGame
 1439 1252 1.00 6 -0.84 20 -16.80 
  Levy, Christopher A 1731 ENG0.001-0.0520-1.00 
  Levi, Guy 1462 ENG0.001-0.2320-4.60 
  Berkley, Stephen W 1306 ENG0.001-0.4220-8.40 
  McGann, John 1148 ENG0.001-0.6420-12.80 
  Lewis, David 1296 ENG1.0010.562011.20 
  McDonnell, James J. 1688 IRL0.001-0.0620-1.20 

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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