Individual Calculations February 2016
 Kazlachev, Nikola  Total change: -2.80  Rating chartPersonal card
 1st Diana open Yambol BUL 2016-01-23
RcRownchangeKK*chgGame
 1838 1656 0.50 2 -0.07 40 -2.80 
  Stoyanov, Stojan Slavov 1978 BUL0.5010.374014.80 
  Kirilov, Ivaylo 1698 BUL0.001-0.4440-17.60 

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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