Individual Calculations September 2023
 Grivnieks, Alberts  Total change: -33.40  Rating chartPersonal card
 Riga Technical University Open 2023 - Tournament B Riga LAT 2023-08-06
RcRownchangeKK*chgGame
 1551 1902 6.00 9 -1.67 20 -33.40 
  Rogulis, Uldis 1388 LAT1.0010.04200.80 
  Pavlovs, Ostins 1502  * LAT0.501-0.4220-8.40 
  Mirek, Szymon 1487 POL1.0010.07201.40 
  Kalkowski, Igor 2034 POL0.001-0.3220-6.40 
  Petrovska, Arina 1557 LAT0.501-0.3920-7.80 
  Dukov, Vladimir 1403 EST0.501-0.4620-9.20 
  Spirkova, Marija 1481 LAT0.501-0.4320-8.60 
  Ivanova, Lidia 1475 EST1.0010.07201.40 
  Bergstrom, Assar 1630 SWE1.0010.17203.40 
 * 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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