Individual Calculations May 2015
 Wang, Qibiao  Total change: 54.20  Rating chartPersonal card
 9th Annual Philadelphia Open Philadelphia, Pennsylvania USA 2015-04-01
RcRownchangeKK*chgGame
 2312 2206 6.00 9 2.71 20 54.20 
  Ghaem Maghami, Ehsan g2562 IRI0.5010.39207.80 
  Yip, Carissa Shiwen 1907 USA1.0010.15203.00 
  Mulyar, Michael A m2412 USA0.001-0.2420-4.80 
  Metpally, Jason 1880 USA1.0010.13202.60 
  Wang, Kevin f2371 USA1.0010.722014.40 
  Esserman, Marc m2427 USA1.0010.782015.60 
  Margvelashvili, George g2539 GEO0.001-0.1220-2.40 
  Cummings, David m2340 CAN0.5010.18203.60 
  Gurevich, Daniel f2373 USA1.0010.722014.40 

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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