Individual Calculations February 2018
 Martin, Zachary  Total change: 4.20  Rating chartPersonal card
 50th Annual Liberty Bell Open Philadelphia, Pennsylvania USA 2018-01-12
RcRownchangeKK*chgGame
 2042 2080 4.00 7 0.21 20 4.20 
  Sarkar, Justin m2339 USA0.5010.32206.40 
  Hu, Emily Jia 1731 USA1.0010.11202.20 
  Tanenbaum, Zachary 2090 USA0.001-0.4920-9.80 
  Shibut, Macon f2162 USA0.001-0.3920-7.80 
  Chen, Derek 1848 USA1.0010.21204.20 
  Schwartz, Maxwell 2059 USA1.0010.47209.40 
  Wang, Alex 2067 USA0.501-0.0220-0.40 

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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