Individual Calculations April 2008
 Grigoryan, Karen H.  Total change: -8.40  Rating chartPersonal card
 Chess House Ch. 2007 Yerevan ARM 2007-12-14
 2076 2074 1.50 4 -0.56 15 -8.40 
  Ter-Sahakyan, Samvel f2389 ARM0.001-0.1415-2.10 
  Potosian, Vahan 2041 ARM0.001-0.5515-8.25 
  Karapetyan, Lusine 1950 ARM0.501-0.1715-2.55 
  Arakelyan, Areg 1925 ARM1.0010.30154.50 

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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