Individual Calculations September 2019
 Aybar, Marcelo  Total change: 12.60  Rating chartPersonal card
 IRT Campeones Mundiales Argentinos Copa Ciudad de Trelew Trelew - Chubut ARG 2019-08-16
 1894 1551 1.00 3 0.63 20 12.60 
  Sommariva, Rene 1941 ARG0.001-0.0920-1.80 
  Martinez, Daniel 1951  * ARG0.5010.42208.40 
  Lopez, Jose Luis 1791 ARG0.5010.30206.00 
 * 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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