Individual Calculations May 2013
 Cao, Kevin Y  Total change: -3.30  Rating chartPersonal card
 2013 Bill Wright Saint Louis Open St Louis, Missouri USA 2013-04-12
RcRownchangeKK*chgGame
 2146 2204 1.50 3 -0.22 15 -3.30 
  Liang, Adream 1892 USA1.0010.14152.10 
  Boros, Denes g2498 HUN0.5010.35155.25 
  Gadson, Isaiah 2048 USA0.001-0.7115-10.65 

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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