Rapid: Individual Calculations July 2012
 Dafchev, Ivan  Total change: -9.60  Rating chartPersonal card
 The Queen of Tarnovo - for boys under 14 Veliko Tarnovo BUL 2012-05-11
RcRownchangeKK*chgGame
 1635 1625 0.50 2 -0.48 20 -9.60 
  Hristov, Dimitar 1800 BUL0.001-0.2720-5.40 
  Yordanov, Daniel-Adrian 1470 BUL0.501-0.2120-4.20 

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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