Individual Calculations April 2017
 Justice, David  Total change: -0.20  Rating chartPersonal card
 21st Annual Mid-America Open St. Louis, Missouri USA 2017-03-24
RcRownchangeKK*chgGame
 2151 2148 2.50 5 -0.01 20 -0.20 
  Leker Locker, Maor 1920 USA1.0010.21204.20 
  Sukandar, Irine Kharisma mwg2423 INA0.001-0.1720-3.40 
  Gadson, Isaiah 2073 USA0.501-0.1020-2.00 
  Cervantes Landeiro, Thalia wc1984 USA1.0010.28205.60 
  Li, Zhaozhi f2355 USA0.001-0.2320-4.60 

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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