Individual Calculations August 2023
 Ivanov, Lachezar  Total change: -13.60  Rating chartPersonal card
 2nd Festival G Rakovski Kotel BUL 2023-07-01
RcRownchangeKK*chgGame
 1548 1515 3.50 8 -0.34 40 -13.60 
  Nikitina, Elena wf2027 FID0.001-0.0440-1.60 
  Russieva, Svitlana 1115  * UKR1.0010.08403.20 
  Manova, Ivana 1919 MKD0.001-0.0840-3.20 
  Dimitrov, Georgi Y 1282 BUL0.001-0.7940-31.60 
  Velichkov, Nikolay 1201 BUL1.0010.14405.60 
  Vladimirov, Nikola 1283 BUL1.0010.21408.40 
  Velikov, Nikola 1800 BUL0.5010.344013.60 
  Basova, Yuliya 1753 UKR0.001-0.2040-8.00 
 * 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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