Individual Calculations June 2017
 Angelov, Kristian  Total change: -9.20  Rating chartPersonal card
 6th "The suns of Tryavna" open Tryavna BUL 2017-05-07
 1208 1296 1.00 2 -0.23 40 -9.20 
  Velikov, Nikola 1151 BUL0.501-0.1940-7.60 
  Velikov, Georgi 1265 BUL0.501-0.0440-1.60 

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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