Individual Calculations February 2013
 Gaspar, John  Total change: 18.90  Rating chartPersonal card
 2013 Portsmouth Open Portsmouth, New Hampshire USA 2013-01-19
RcRownchangeKK*chgGame
 2220 1939 1.00 2 0.63 30 18.90 
  Carter, David E 2101 USA1.0010.713021.30 
  Ivanov, Alexander g2339  * USA0.001-0.0830-2.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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