Individual Calculations January 2020
 Perez Rubio, Ramon  Total change: -10.00  Rating chartPersonal card
 Liga Andaluza 2019 Promociones Andalucia ESP 2019-11-24
 1858 1759 0.50 2 -0.25 40 -10.00 
  Canabate Carmona, Francisco 1947 ESP0.5010.24409.60 
  Simon Collado, Angel 1768 ESP0.001-0.4940-19.60 

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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