Individual Calculations December 2012
 Zhao, Art  Total change: 12.90  Rating chartPersonal card
 2012 East Bay Open Concord, California USA 2012-11-09
RcRownchangeKK*chgGame
 1849 1902 1.00 1 0.43 30 12.90 
  Tao, Jeffrey 1849 USA1.0010.433012.90 

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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