Rapid: Individual Calculations May 2018
 McBrinn, Conall  Total change: 12.80  Rating chartPersonal card
 6th Golders Green FIDE Rapid Chess Amateur London ENG 2018-04-14
RcRownchangeKK*chgGame
 1488 1221 1.00 2 0.64 20 12.80 
  Bexfield, Alison 1556 ENG0.001-0.1220-2.40 
  Brett, Alex I 1420 ENG1.0010.762015.20 

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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