Individual Calculations March 2017
 Mbonu, David  Total change: 23.20  Rating chartPersonal card
 2017 Atlanta Winter Congress Chamblee, Georgia USA 2017-02-17
RcRownchangeKK*chgGame
 1988 1973 2.50 4 0.58 40 23.20 
  Liang, Albert 2025 USA0.5010.07402.80 
  Kayma, Thomas 1913 USA1.0010.424016.80 
  Puckett, Matthew 2089 USA0.001-0.3440-13.60 
  Jie, Tianhui 1926 USA1.0010.434017.20 

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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