Individual Calculations September 2019
 Tapia, Alexei  Total change: -25.00  Rating chartPersonal card
 Campeonato Nacional Amateur U 2300 panama PAN 2019-08-21
 1925 2274 4.00 6 -1.25 20 -25.00 
  Harari Assis, David 1874  * PAN1.0010.08201.60 
  Collantes, Juan Ramon 1874  * PAN1.0010.08201.60 
  Ugarte, Reinaldo c1898 PAN0.501-0.4120-8.20 
  Ramos, Efren Andres c2156 PAN0.501-0.1620-3.20 
  Murillo, Florentino 1874  * PAN0.001-0.9220-18.40 
  Chung, Yaleika wf1874  * PAN1.0010.08201.60 
 * 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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