Individual Calculations February 2014
 Qazi, Rafeh  Total change: 13.50  Rating chartPersonal card
 2014 January Chess IQ Game 60 +30 Plus score Skokie, Illinois USA 2014-01-25
RcRownchangeKK*chgGame
 1949 1967 1.50 2 0.45 30 13.50 
  Lehmann, Carl Stefan 1972 GER0.5010.01300.30 
  Tutush, Dusan 1925 USA1.0010.443013.20 

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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