Individual Calculations October 2021
 Tammaa, Obaida  Total change: -11.60  Rating chartPersonal card
 2021 Ahilik International Open Chess Tournament - B Kirsehir TUR 2021-09-13
RcRownchangeKK*chgGame
 1528 1668 4.00 7 -0.58 20 -11.60 
  Yenice, Yusuf Erkan 1461 TUR1.0010.23204.60 
  Bozdemir, Yusuf 1631 TUR0.001-0.5520-11.00 
  Huseynli, Ayan 1268  * AZE1.0010.08201.60 
  Ay, Altug 1274 TUR1.0010.08201.60 
  Shabanov, Abdulla 1760 AZE1.0010.632012.60 
  Koca, Emirhan 1668 TUR0.001-0.5020-10.00 
  Acar, Kaan 1632 TUR0.001-0.5520-11.00 
 * 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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