Individual Calculations February 2019
 Radulov, Nikolay  Total change: 4.40  Rating chartPersonal card
 Trayana Cup B 2019 Stara Zafora BUL 2019-01-12
RcRownchangeKK*chgGame
 1326 1075 0.50 2 0.11 40 4.40 
  Rangelov, Kristiyan 1260 BUL0.5010.24409.60 
  Aleksiev, Kristiyan 1392 BUL0.001-0.1340-5.20 

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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