Individual Calculations September 2011
 Stefanov, Boris  Total change: -3.00  Rating chartPersonal card
 Team Championship boys U16 Veliko Tarnovo BUL 2011-08-03
RcRownchangeKK*chgGame
 1783 1698 1.50 4 -0.10 30 -3.00 
  Atanasov, Anatoli 2023 BUL0.001-0.1330-3.90 
  Yordanov, Kristian 1796 BUL0.5010.13303.90 
  Nikolov, Rumen 1819 BUL0.001-0.3430-10.20 
  Dimitrov, Radostin 1492 BUL1.0010.24307.20 

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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