Individual Calculations October 2021
 Kolev, Velio  Total change: -18.60  Rating chartPersonal card
 Primorsko Open B 2021 Primorsko BUL 2021-09-14
RcRownchangeKK*chgGame
 1540 1537 2.50 7 -0.93 20 -18.60 
  Valev, Valentin 1937  * BUL0.001-0.0820-1.60 
  Tsolov, Emil 1856 BUL0.001-0.1320-2.60 
  Georgiev, Kristian 1213 BUL0.501-0.3720-7.40 
  Tutekov, Teodor 1232 BUL1.0010.14202.80 
  Dimitrov, Ivan 1636 BUL0.001-0.3620-7.20 
  Stefanov, Ivelin 1137  * BUL1.0010.08201.60 
  Schneider, Kevin 1772 GER0.001-0.2120-4.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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