Individual Calculations November 2023
 Bachin, Vitaly  Total change: -18.30  Rating chartPersonal card
 40th annual Western States Open - Open Section Reno, NV USA 2023-10-06
RcRownchangeKK*chgGame
 1951 2318 3.50 6 -1.83 10 -18.30 
  Zhu, Alexander 1918  * USA0.001-0.9210-9.20 
  Bhaduri, Neil S 1833 USA1.0010.04100.40 
  Atwell, Rose 2097 USA0.001-0.7810-7.80 
  Noble, Matthew Rya 1990 USA0.501-0.3710-3.70 
  Widjaja, Luke 1862 USA1.0010.06100.60 
  Patraw, Michael 2008 USA1.0010.14101.40 
 * 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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