Individual Calculations February 2013
 Liu, Andrew  Total change: 2.10  Rating chartPersonal card
 2013 Boston Chess Congress - Major Section Boston, Massachusetts USA 2013-01-11
RcRownchangeKK*chgGame
 2195 2163 1.50 3 0.14 15 2.10 
  Colas, Joshua 2204 USA0.5010.06150.90 
  Haessler, Carl A 2175 USA1.0010.52157.80 
  Wang, Qibiao 2206 CHN0.001-0.4415-6.60 

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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