Individual Calculations January 2018
 Grachev, Boris  Total change: -4.40  Rating chartPersonal card
 Men_Cup of Russia 2017_Final Khanty-Mansiisk RUS 2017-12-05
 2488 2657 1.00 2 -0.44 10 -4.40 
  Golubov, Saveliy m2488 RUS0.501-0.2210-2.20 
  Golubov, Saveliy m2488 RUS0.501-0.2210-2.20 

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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