Rapid: Individual Calculations July 2021
 Karaivanova, Petya  Total change: -7.20  Rating chartPersonal card
 There are such kids Youth Chess Tournament Plovdiv BUL 2021-06-13
RcRownchangeKK*chgGame
 1293 1466 4.50 7 -0.36 20 -7.20 
  Toshkin, Stanislav 1037 BUL1.0010.07201.40 
  Zangarova, Gabriela 1158 BUL1.0010.14202.80 
  Kisyov, Krum-Petar 1279 BUL1.0010.26205.20 
  Tilev, Bozhidar 1317 BUL0.501-0.2020-4.00 
  Kolev, Lachezar 1769 BUL0.001-0.1420-2.80 
  Ardenski, Dimitar 1418 BUL0.001-0.5720-11.40 
  Ignatov, Kristiyan 1072 BUL1.0010.08201.60 

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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