Individual Calculations July 2019
 Grigoryan, Karen H.  Total change: 1.50  Rating chartPersonal card
 Summer 2019 CCCSA GM Norm Invitational Charlotte, North Carolina USA 2019-06-05
 2434 2547 6.00 9 0.15 10 1.50 
  Jacobson, Brandon m2486 USA1.0010.42104.20 
  Zierk, Steven g2501 USA1.0010.44104.40 
  Wang, Tianqi 2333 USA0.501-0.2710-2.70 
  Shankar, Gauri f2378 IND1.0010.28102.80 
  Hong, Andrew m2414 USA1.0010.32103.20 
  Ringoir, Tanguy g2500 BEL0.501-0.0710-0.70 
  Ostrovskiy, Aleksandr m2437 USA1.0010.35103.50 
  Korley, Kassa m2430 DEN0.001-0.6610-6.60 
  Yoo, Christopher Woojin m2430 USA0.001-0.6610-6.60 

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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