Individual Calculations September 2013
 Treiman, Scott  Total change: 9.15  Rating chartPersonal card
 2nd Annual Washington International - Section B Rockville, Maryland USA 2013-08-07
RcRownchangeKK*chgGame
 2008 2067 3.50 5 0.61 15 9.15 
  Kjoita, Torgeir J 1952 NOR1.0010.34155.10 
  Kjoita, Henning J 2031 NOR0.501-0.0515-0.75 
  Bisiriyu-Salam, Oluwaseun 2159 NGR1.0010.63159.45 
  Polgar-Shutzman, Tom 2027 USA0.001-0.5615-8.40 
  Harmon-Vellotti, Carl 1870 USA1.0010.25153.75 

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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