Individual Calculations June 2023
 Chong, Hanford  Total change: 137.20  Rating chartPersonal card
 4th Colonial Open - U2100 Dulles, Virginia USA 2023-04-06
RcRownchangeKK*chgGame
 1640 1256 2.50 4 2.10 40 84.00 
  Cherukuri, Devesh 1503 USA1.0010.814032.40 
  Tumuluri, Vasishta 1619 USA1.0010.904036.00 
  Fischer, Robert J 1775 USA0.5010.474018.80 
  Coleman, Anthony 1661 USA0.001-0.0840-3.20 

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)
 
 68th Maryland Open - Under 2100 Rockville, MD USA 2023-04-28
RcRownchangeKK*chgGame
 1721 1256 1.50 3 1.33 40 53.20 
  Chen, Xilin 1794 USA0.001-0.0340-1.20 
  Baim, Elvin 1728 AZE0.5010.454018.00 
  Chen, Alan Zishun 1641 USA1.0010.914036.40 

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)
 

 

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