Individual Calculations May 2018
 Petkun, Tihon  Total change: 12.80  Rating chartPersonal card
 Grand-prix Dvorets 14th stage_Spring starts_E Moscow RUS 2018-03-31
 1138 1039 2.50 6 0.32 40 12.80 
  Mazurov, Andrey 1150 RUS0.5010.15406.00 
  Petkun, Luka 1158 RUS0.001-0.3440-13.60 
  Bolotina, Mariya A. 1131 RUS1.0010.634025.20 
  Artelnykh, Leonid 1146 RUS0.001-0.3540-14.00 
  Razygraev, Grigoriy 1153 RUS1.0010.664026.40 
  Sharapov, Alexandr 1087 RUS0.001-0.4340-17.20 

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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