Individual Calculations September 2012
 Grigoryan, Karen H.  Total change: -4.60  Rating chartPersonal card
 World Junior Under 20 Chess Championships 2012 - Open Athens GRE 2012-08-01
 2472 2529 7.00 13 -0.46 10 -4.60 
  Larmuseau, Maarten 2245 BEL1.0010.16101.60 
  Velten, Paul f2366 FRA0.501-0.2210-2.20 
  Malikentzos, Sotirios f2337 GRE1.0010.25102.50 
  Van Kampen, Robin g2565 NED0.5010.05100.50 
  Mihok, Oliver m2456 HUN1.0010.40104.00 
  Zherebukh, Yaroslav g2629 UKR1.0010.64106.40 
  Shimanov, Aleksandr g2596 RUS0.5010.09100.90 
  Yu, Yangyi g2635 CHN0.001-0.3610-3.60 
  Kovalev, Vladislav m2485 BLR0.501-0.0610-0.60 
  Andersen, Mads m2464 DEN1.0010.41104.10 
  Wei, Yi f2418 CHN0.001-0.6510-6.50 
  Hansen, Eric m2472 CAN0.001-0.5810-5.80 
  Antipov, Mikhail Al. m2462 RUS0.001-0.5910-5.90 

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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