Individual Calculations February 2015
 Grigoryan, Karen H.  Total change: 8.90  Rating chartPersonal card
 75th Armenian Ch. The Highest League Yerevan ARM 2015-01-12
 2535 2587 6.00 9 0.89 10 8.90 
  Shahinyan, David f2431 ARM1.0010.29102.90 
  Ter-Sahakyan, Samvel g2580 ARM0.501-0.0110-0.10 
  Gabuzyan, Hovhannes g2560 ARM1.0010.46104.60 
  Mikaelyan, Arman 2350 ARM0.001-0.8010-8.00 
  Kotanjian, Tigran g2501 ARM1.0010.38103.80 
  Pashikian, Arman g2614 ARM1.0010.54105.40 
  Hovhannisyan, Robert g2594 ARM0.5010.01100.10 
  Andriasian, Zaven g2609 ARM0.5010.03100.30 
  Grigoryan, Avetik g2580 ARM0.501-0.0110-0.10 

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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