Individual Calculations July 2009
 Barbosa, Oliver A  Total change: 7.70  Rating chartPersonal card
 2009 New York May Open New York, New York USA 2009-05-23
RcRownchangeKK*chgGame
 2304 2426 2.00 2 0.67 10 6.70 
  Ravichandran, Siddharth 2303 IND1.0010.33103.30 
  Zenyuk, Iryna cwm2305 USA1.0010.34103.40 

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)
 
 6th Annual George Washington Open Sterling, Virginia USA 2009-06-13
RcRownchangeKK*chgGame
 2174 2426 2.50 3 0.10 10 1.00 
  Clancy, Daniel J 2081 USA1.0010.11101.10 
  Fink Jr, Stanley W 2148 USA1.0010.17101.70 
  Adu, Oladapo Oluto m2294 NGR0.501-0.1810-1.80 

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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