Rapid: Individual Calculations May 2012
 Petrova, Boryana  Total change: -14.40  Rating chartPersonal card
 Bulgarian Chess Championship for Girls 20 years old 2012 rapid Shumen BUL 2012-02-26
RcRownchangeKK*chgGame
 1897 1701 0.00 3 -0.75 20 -15.00 
  Milanova, Maria 1852 BUL0.001-0.3020-6.00 
  Krumova, Ani 1980 BUL0.001-0.1620-3.20 
  Tsekova, Viktoria 1859 BUL0.001-0.2920-5.80 

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)
 
 Bulgarian Chess Championship for Girls 14 years old 2012 Rapid Plovdiv BUL 2012-04-12
RcRownchangeKK*chgGame
 1708 1701 2.00 4 0.03 20 0.60 
  Vasova, Maria 1788 BUL0.001-0.3820-7.60 
  Dimitrova, Gergana 1615 BUL1.0010.38207.60 
  Koleva, Djuliana 1732 BUL1.0010.542010.80 
  Shivacheva, Donika 1697 BUL0.001-0.5120-10.20 

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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