Individual Calculations April 2014
 Vest, David M  Total change: 10.80  Rating chartPersonal card
 43rd Annual Atlanta Open Decatur, Georgia USA 2013-12-27
RcRownchangeKK*chgGame
 2229 2184 2.50 4 0.72 15 10.80 
  Mabe, Chris 2250 USA1.0010.59158.85 
  Zapata, Alonso g2501 COL0.001-0.1315-1.95 
  Piper, Alan G 1928 USA1.0010.19152.85 
  Francisco, Richard 2237 USA0.5010.07151.05 

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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