Individual Calculations February 2020
 Graham, Michael  Total change: -26.40  Rating chartPersonal card
 IA FM John Powell Memorial Open 2020 FIDE U-1600 Section Kingston, Jamaica JAM 2020-01-18
RcRownchangeKK*chgGame
 1357 1222 0.00 2 -0.66 40 -26.40 
  Downer, Odel 1456 JAM0.001-0.2140-8.40 
  Stephenson, Amy 1258 JAM0.001-0.4540-18.00 

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)
 

 

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