Individual Calculations September 2019
 Ulloa, Ruben Abraham  Total change: 12.60  Rating chartPersonal card
 Campeonato Nacional Amateur U 2300 panama PAN 2019-08-21
 1896 2167 5.50 6 0.63 20 12.60 
  Vasquez Jaen, Lourdes Lorena 1767  * PAN1.0010.08201.60 
  Correa, Marco 1767  * PAN1.0010.08201.60 
  Sanchez, Rogelio c1862 PAN1.0010.14202.80 
  Oquendo, Abel c1948 PAN1.0010.22204.40 
  Delgado, Alex c2087 PAN0.501-0.1120-2.20 
  Velasquez, Luis Dario 1947 VEN1.0010.22204.40 
 * 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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