Individual Calculations September 2013
 Kalam, Abul  Total change: 13.20  Rating chartPersonal card
 Branagan Cup 2013 Dublin IRL 2013-06-24
RcRownchangeKK*chgGame
 2021 1783 1.50 3 0.88 15 13.20 
  Hearns, Liam T. 1937 IRL1.0010.711510.65 
  O`Rourke, Ray 2023 IRL0.001-0.2015-3.00 
  Wallace, Martin 2103 IRL0.5010.37155.55 

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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