Individual Calculations August 2023
 Rambha, Hemachandra  Total change: 57.60  Rating chartPersonal card
 51st annual World Open - Open Philadelphia, PA USA 2023-06-30
RcRownchangeKK*chgGame
 2032 1811 2.00 7 0.44 40 17.60 
  Johnson, Donald f2160 USA0.001-0.1140-4.40 
  Su, Jasmine Zhixin 2018 USA0.001-0.2340-9.20 
  Arun, Siddharth 2055 USA1.0010.804032.00 
  Peatman, Carter Frank 2006 USA0.5010.254010.00 
  Wray, Laverne 2002 USA0.5010.254010.00 
  Slade, Theodore Luke 1992 ENG0.001-0.2640-10.40 
  Yehamandram, Yogeshwar 1994 USA0.001-0.2640-10.40 

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)
 
 16th annual Chicago Class - Expert Wheeling, IL USA 2023-07-14
RcRownchangeKK*chgGame
 1796 1795 2.50 3 1.00 40 40.00 
  Butcher, Jacob G 1791 USA1.0010.494019.60 
  Hanke, Harvey 1784 USA1.0010.484019.20 
  Caen, Andy 1813 FRA0.5010.03401.20 

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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