Individual Calculations October 2021
 Li, Jerry  Total change: -40.80  Rating chartPersonal card
 80th New England Open Westford, Massachusetts USA 2021-09-04
RcRownchangeKK*chgGame
 1814 1977 2.50 5 -1.02 40 -40.80 
  Ji, Yunze Owen 1682 USA0.501-0.3540-14.00 
  Yu, Alex 1840 USA0.501-0.1840-7.20 
  Carey, Michael P 1858 USA0.501-0.1640-6.40 
  Lizarazo, Juan Car 1960 COL0.501-0.0240-0.80 
  Carlson, Joaquin 1731 USA0.501-0.3140-12.40 

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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