Individual Calculations April 2019
 Ameku, Philip Elikem  Total change: -10.20  Rating chartPersonal card
 Ghana Chess League- Premier Division 2019 Round 1-5 Accra GHA 2019-03-02
 1938 1944 0.00 1 -0.51 20 -10.20 
  Mensah, Joseph Jamena c1938 GHA0.001-0.5120-10.20 

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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