Individual Calculations July 2009
 Pionova, Sonja  Total change: -15.75  Rating chartPersonal card
 42-nd Bulgarian Women's Team Championship 2009, Group A WOMEN Sunny Beach BUL 2009-06-08
RcRownchangeKK*chgGame
 2027 2034 2.50 7 -1.05 15 -15.75 
  Sirkova, Darena 1964 BUL0.001-0.6015-9.00 
  Ilieva, Hristina 2114 BUL0.001-0.3915-5.85 
  Bednikova, Stefi 2091 BUL1.0010.58158.70 
  Petkova, Veneta 1928 BUL0.501-0.1415-2.10 
  Chilingirova, Pavlina wm2157 BUL0.001-0.3315-4.95 
  Tsvetkova, Svetlana 1848 BUL0.001-0.7415-11.10 
  Vladimirova, Maria 2085 BUL1.0010.57158.55 

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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