Individual Calculations March 2017
 Rodgers, Andryck  Total change: -15.20  Rating chartPersonal card
 John Powell Memorial Open 2017 Kingston JAM 2017-02-16
RcRownchangeKK*chgGame
 1349 1683 0.50 1 -0.38 40 -15.20 
  Rose, David 1349 JAM0.501-0.3840-15.20 

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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