Individual Calculations September 2023
 Chang, Leo  Total change: 37.60  Rating chartPersonal card
 2nd Annual Beltway Open Herndon, Virginia USA 2023-08-04
RcRownchangeKK*chgGame
 1893 1567 1.50 4 0.94 40 37.60 
  Ilnytsky, Alexander 1978 USA0.5010.424016.80 
  Srinivasan, Arjun 1860 USA0.5010.354014.00 
  Jinsi, Soham Gyani 1752 USA0.5010.24409.60 
  Gilruth, Peter 1981 KEN0.001-0.0740-2.80 

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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