Individual Calculations March 2017
 Davis, Tahj  Total change: -40.80  Rating chartPersonal card
 John Powell Memorial Open 2017 Kingston JAM 2017-02-16
RcRownchangeKK*chgGame
 1519 1806 1.50 3 -1.02 40 -40.80 
  Lyn, Nicholas 1562 JAM0.501-0.3040-12.00 
  Walker, Lontae 1547 JAM0.001-0.8240-32.80 
  Walsh, Nathan 1448 JAM1.0010.10404.00 

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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