Individual Calculations February 2018
 Sirgado, Carlos Manuel Ferreira  Total change: -5.00  Rating chartPersonal card
 XXIX Taca de Lisboa r. 3 Lisboa POR 2018-01-07
 1728 1539 0.00 1 -0.25 20 -5.00 
  Alves, Luis Miguel 1728 POR0.001-0.2520-5.00 

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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