Individual Calculations July 2013
 Boas, Toby  Total change: -12.75  Rating chartPersonal card
 22nd Annual Chicago Open - Under 2300 Section Wheeling, Illinois USA 2013-05-24
RcRownchangeKK*chgGame
 2056 2202 4.00 7 -0.85 15 -12.75 
  Robinson, Darrian 1999 USA1.0010.24153.60 
  Mattson, Dane M 2076 USA0.001-0.6715-10.05 
  Weatherspoon, Kyler Jackson 1996 USA0.501-0.2615-3.90 
  Bush, Chris 2094 USA1.0010.35155.25 
  Inapuri, Ramya Krishna wf2078 IND0.001-0.6715-10.05 
  Raghavan, Vijay 2056 USA1.0010.30154.50 
  Keating, Robert F 2096 USA0.501-0.1415-2.10 

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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