Individual Calculations March 2015
 Li, Zhaozhi  Total change: 19.20  Rating chartPersonal card
 2015 Tim Just's WInter Open/Reserve XXXII Deerfield, Illinois USA 2015-01-03
RcRownchangeKK*chgGame
 1991 1999 1.50 2 0.48 40 19.20 
  Napoli, Steven 2019 USA1.0010.534021.20 
  Rajendra, Avinash 1963 USA0.501-0.0540-2.00 

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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