Individual Calculations September 2013
 Peng, David Tianjian  Total change: 14.10  Rating chartPersonal card
 8th Annual Indianapolis Open Indianapolis, Indiana USA 2013-08-16
RcRownchangeKK*chgGame
 1998 2020 2.00 2 0.94 15 14.10 
  Nesham, William 2071 USA1.0010.57158.55 
  Menzi, Ezgi 1924 TUR1.0010.37155.55 

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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