Individual Calculations February 2018
 Lobban, Brandon  Total change: -20.80  Rating chartPersonal card
 John Powell Memorial 2018 [Open] Kingston, Jamaica JAM 2018-01-18
RcRownchangeKK*chgGame
 1799 1627 1.00 5 -0.52 40 -20.80 
  James, Stuart 1991 JAM0.001-0.1040-4.00 
  Christie, Michael 1846 JAM0.001-0.2240-8.80 
  Brown, Akeem 1956 JAM0.001-0.1240-4.80 
  Lyn, Nicholas 1548 JAM0.001-0.6140-24.40 
  Campbell, Tevin 1652 JAM1.0010.534021.20 

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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