Individual Calculations September 2013
 Kjoita, Henning J  Total change: 1.65  Rating chartPersonal card
 2nd Annual Washington International - Section B Rockville, Maryland USA 2013-08-07
RcRownchangeKK*chgGame
 1988 2031 4.00 7 0.11 15 1.65 
  Harmon-Vellotti, Carl 1870 USA1.0010.29154.35 
  Polgar-Shutzman, Tom 2027 USA0.501-0.0115-0.15 
  Treiman, Scott 2067 USA0.5010.05150.75 
  Bisiriyu-Salam, Oluwaseun 2159 NGR0.001-0.3315-4.95 
  Gregorz, Ralph 2055 CAN1.0010.53157.95 
  Al-Hariri, Saad 1808 USA1.0010.22153.30 
  Collier, Philip M 1927 USA0.001-0.6415-9.60 

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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