Individual Calculations March 2012
 Eichhorn, George S  Total change: 29.70  Rating chartPersonal card
 Iowa FIDE Round Robin #2 Davenport, Iowa USA 2012-01-07
RcRownchangeKK*chgGame
 1802 1722 3.00 5 0.99 30 29.70 
  Ellis, James S 1995 USA1.0010.833024.90 
  Gatica, Jose M 1948 USA0.001-0.2130-6.30 
  Peralta, Luis M 1322  * USA1.0010.08302.40 
  Hartmann, John R 1637 USA1.0010.383011.40 
  Keating, Robert F 2106 USA0.001-0.0930-2.70 
 * 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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