Individual Calculations November 2009
 Grigoryan, Karen H  Total change: -18.75  Rating chartPersonal card
 European Youth Ch under 14 Open Fermo ITA 2009-08-31
 2046 2254 5.50 9 -1.25 15 -18.75 
  Vanagas, Tadas 1860 LTU1.0010.08151.20 
  Popov, Mikhail 2017 RUS1.0010.20153.00 
  Pluzyan, Aram 2081 ARM1.0010.27154.05 
  Bukavshin, Ivan f2404 RUS0.001-0.3015-4.50 
  Clarke, Brandon, G I 2014 ENG0.001-0.8015-12.00 
  Apresyan, Zohrak 2021 ARM0.501-0.2915-4.35 
  Stella, Luca 1987 ITA1.0010.18152.70 
  Lewicki, Miroslaw 1992 POL0.001-0.8215-12.30 
  Hampel, Felix 2040 GER1.0010.23153.45 

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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