Individual Calculations March 2010
 Kirjakov, Toma  Total change: 22.25  Rating chartPersonal card
 Qualification B group "B" Sofia BUL 2010-02-19
RcRownchangeKK*chgGame
 2125 2117 2.00 2 1.02 25 25.50 
  Petrov, Valeri 1997 BUL1.0010.34258.50 
  Lazarov, Alexander 2253 BUL1.0010.682517.00 

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)
 
 Qualification B group final Sofia BUL 2010-02-21
RcRownchangeKK*chgGame
 2025 2117 0.50 1 -0.13 25 -3.25 
  Yotov, Yoto 2025 BUL0.501-0.1325-3.25 

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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