Individual Calculations July 2018
 Abdulla, Mohammed  Total change: -19.60  Rating chartPersonal card
 42nd Al-Oruba Ramadan Chess Championship Juffair BRN 2018-05-19
 1754 1749 0.00 1 -0.49 40 -19.60 
  Shaker, Musab 1754 BRN0.001-0.4940-19.60 

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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