Individual Calculations July 2009
 Ninov, Dayan  Total change: -1.50  Rating chartPersonal card
 Bulgarian Individual Championship for juniors 16 years old Sunny Beach BUL 2009-03-28
 1976 1998 1.00 2 -0.06 25 -1.50 
  Andreev, Sasho 2063 BUL0.001-0.4125-10.25 
  Bukovski, Ivan 1889 BUL1.0010.35258.75 

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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