Individual Calculations September 2009
 Pionova, Sonja  Total change: 9.60  Rating chartPersonal card
 24th open TETEVEN Teteven BUL 2009-08-15
RcRownchangeKK*chgGame
 2173 2018 2.50 6 0.64 15 9.60 
  Gailliegue, Florian 1883 FRA0.001-0.6815-10.20 
  Janakiev, Ivan m2232 BUL1.0010.771511.55 
  Vasilev, Plamen 2117 BUL1.0010.64159.60 
  Shukin, Emil 2250 BUL0.5010.29154.35 
  Todorov, Ognjan m2331 BUL0.001-0.1415-2.10 
  Janchev, Petar 2224 BUL0.001-0.2415-3.60 

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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