Individual Calculations January 2020
 Chen, Justin  Total change: 3.00  Rating chartPersonal card
 38th Annual Empire City Open New York, New York USA 2019-12-26
 2057 2241 4.50 6 0.15 20 3.00 
  Gu, Ethan 1880 USA1.0010.10202.00 
  Masino, Matthew 1948 USA1.0010.15203.00 
  Brain, Logan J 2089 USA0.501-0.2020-4.00 
  Hu, Merric 2057 USA0.501-0.2420-4.80 
  Poliannikov, Danila 2193 USA0.501-0.0720-1.40 
  Vasserman, Daniel 2177 USA1.0010.41208.20 

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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