Individual Calculations October 2021
 Zhou, Tony  Total change: -28.40  Rating chartPersonal card
 BayAreaChess 45th People's Tournament - A Santa Clara, California USA 2021-09-04
RcRownchangeKK*chgGame
 1537 1420 0.00 2 -0.71 40 -28.40 
  Gopi, Umesh 1420 USA0.001-0.5040-20.00 
  Ho, Michael S 1653 USA0.001-0.2140-8.40 

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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