Individual Calculations June 2017
 D, Allesio Marco  Total change: -14.80  Rating chartPersonal card
 Ayr Congress Major 2017 Ayr SCO 2017-05-26
RcRownchangeKK*chgGame
 1626 1577 0.50 2 -0.37 40 -14.80 
  Aitchison, A Keith 1701 SCO0.5010.17406.80 
  Walters, Philip 1551 ENG0.001-0.5440-21.60 

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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