Individual Calculations October 2021
 Yu, Alex  Total change: 45.60  Rating chartPersonal card
 80th New England Open Westford, Massachusetts USA 2021-09-04
RcRownchangeKK*chgGame
 1945 1840 3.50 6 1.14 40 45.60 
  Wang, Ryan 1570 USA1.0010.17406.80 
  Poliannikov, Danila f2240  * USA0.5010.424016.80 
  Li, Jerry c1977 USA0.5010.18407.20 
  Lizarazo, Juan Car 1960 COL0.5010.16406.40 
  Hardin, John 1680 USA1.0010.294011.60 
  Zhou, Jianchao g2240  * CHN0.001-0.0840-3.20 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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