Individual Calculations April 2020
 Delchev, Aleksander  Total change: 2.80  Rating chartPersonal card
 84-th Bulgarian individual chess championship - men Sofia BUL 2020-03-02
 2379 2543 6.50 9 0.28 10 2.80 
  Petrov, Anton 2143  * BUL1.0010.08100.80 
  Yordanov, Lachezar f2259 BUL0.501-0.3410-3.40 
  Badev, Kiril f2162 BUL1.0010.09100.90 
  Ermenkov, Evgenij g2381 BUL1.0010.29102.90 
  Nikolov, Momchil g2550 BUL0.5010.01100.10 
  Petrov, Martin m2504 BUL0.501-0.0510-0.50 
  Dimitrov, Radoslav g2515 BUL0.501-0.0410-0.40 
  Stoyanov, Tsvetan f2384 BUL1.0010.29102.90 
  Rusev, Krasimir g2510 BUL0.501-0.0510-0.50 
 * 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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