Individual Calculations September 2013
 Harmon-Vellotti, Carl  Total change: -8.55  Rating chartPersonal card
 2nd Annual Washington International - Section B Rockville, Maryland USA 2013-08-07
RcRownchangeKK*chgGame
 1990 1870 1.50 6 -0.57 15 -8.55 
  Kjoita, Henning J 2031 NOR0.001-0.2915-4.35 
  Polgar-Shutzman, Tom 2027 USA0.001-0.2915-4.35 
  Treiman, Scott 2067 USA0.001-0.2515-3.75 
  Al-Hariri, Saad 1808 USA0.501-0.0915-1.35 
  Gregorz, Ralph 2055 CAN0.5010.24153.60 
  Kjoita, Torgeir J 1952 NOR0.5010.11151.65 

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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