Individual Calculations April 2020
 Alcala Valiente, Juan Carlos  Total change: 1.20  Rating chartPersonal card
 Lliga Catalana 2020 Primera Divisio GRUP I FIDE (Rds. 1-8) Catalunya ESP 2020-01-18
 2014 1974 0.50 1 0.06 20 1.20 
  Petit Montes, Marc 2014 ESP0.5010.06201.20 

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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