Individual Calculations June 2013
 Armagnac, Raymond  Total change: 31.50  Rating chartPersonal card
 2013 Western Pacific Open Los Angeles, California USA 2013-04-26
RcRownchangeKK*chgGame
 2227 2077 2.00 3 1.05 30 31.50 
  Chow, Colin 2086 USA1.0010.513015.30 
  Amanov, Zhanibek m2375 KAZ0.001-0.1530-4.50 
  Richards, Bill A 2220 USA1.0010.693020.70 

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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