Individual Calculations July 2009
 Orev, Bozhidar  Total change: 9.75  Rating chartPersonal card
 2-nd Memorial Hristo Gerenski Sofia BUL 2009-03-21
RcRownchangeKK*chgGame
 2027 1841 1.00 4 -0.14 25 -3.50 
  Cholakov, Stefan 2106 BUL0.001-0.1825-4.50 
  Kosturski, Ivan 1756 BUL1.0010.38259.50 
  Ivanov, Dimitar 2053 BUL0.001-0.2325-5.75 
  Kamenov, Gerasim 2191 BUL0.001-0.1125-2.75 

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)
 
 BUL Championship seniors 2009 Sofia BUL 2009-05-10
RcRownchangeKK*chgGame
 2002 1841 3.00 8 0.53 25 13.25 
  Stoyanov, Stoyan Slavov 2117 BUL0.5010.33258.25 
  Andreev, Dobrotich 2125 BUL0.001-0.1625-4.00 
  Kosturski, Ivan 1746 BUL1.0010.37259.25 
  Karadimov, Marin 2102 BUL0.001-0.1825-4.50 
  Mahlev, Atanas 1978 BUL0.001-0.3225-8.00 
  Kamenov, Gerasim 2191 BUL0.001-0.1125-2.75 
  Kolev, Velio 1952 BUL0.5010.15253.75 
  Bizov, Stojan 1807 BUL1.0010.452511.25 

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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