Rapid: Individual Calculations December 2016
 Petkov, Momchil  Total change: 1.20  Rating chartPersonal card
 National team championship for boys to 12 years old 2016 rapid Borovets BUL 2016-11-12
RcRownchangeKK*chgGame
 1510 1481 1.00 2 0.06 20 1.20 
  Malinov, Martin 1260 BUL1.0010.22204.40 
  Stoyanov, Tsvetan f1760 BUL0.001-0.1620-3.20 

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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