Rapid: Individual Calculations July 2021
 Ivanov, Ivan Petkov  Total change: 1.40  Rating chartPersonal card
 Bulgarian Team Chess Championship Men Rapid 2021 Kiten BUL 2021-06-20
RcRownchangeKK*chgGame
 1941 1933 3.50 7 0.07 20 1.40 
  Kochiev, Ivan 1948 BUL0.001-0.4820-9.60 
  Mihalev, Rosen 2099 BUL1.0010.722014.40 
  Popov, Georgi 2050 BUL1.0010.662013.20 
  Vasilev, Vergil 1874 BUL0.501-0.0820-1.60 
  Metodiev, Veselin 1947 BUL0.001-0.4820-9.60 
  Janev, Ivan 1856 BUL1.0010.39207.80 
  Nikolov, Yavor 1816 BUL0.001-0.6620-13.20 

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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