Individual Calculations December 2015
 Yu, Ray  Total change: 13.20  Rating chartPersonal card
 2015 US Class Championship - Expert Houston, Texas USA 2015-11-13
RcRownchangeKK*chgGame
 1747 1645 1.50 3 0.33 40 13.20 
  Carvajal, Cristian 1996 CHI0.001-0.1140-4.40 
  Tang, Andrew c1505 USA1.0010.314012.40 
  Kirumaki, Ronit 1739 USA0.5010.13405.20 

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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