Individual Calculations October 2017
 Zhang, Derek  Total change: 84.00  Rating chartPersonal card
 Seattle Chess Classic Seattle, Washington USA 2017-08-16
RcRownchangeKK*chgGame
 2111 1980 4.50 7 2.10 40 84.00 
  Ahluwalia, Anshul 1690 USA1.0010.16406.40 
  He, Daniel 2089 USA0.5010.15406.00 
  Lee, Megan wm2158 USA1.0010.734029.20 
  He, Samuel 2154 USA0.001-0.2740-10.80 
  Breckenridge, Steven f2292 USA1.0010.864034.40 
  Saikhanchimeg, Tsogtsaikhan 2026 MGL1.0010.564022.40 
  Feng, Roland f2369 USA0.001-0.0940-3.60 

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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