Individual Calculations October 2021
 Bachin, Vitaliy  Total change: -10.30  Rating chartPersonal card
 2021 Las Vegas Open - Open Las Vegas, Nevada USA 2021-09-15
RcRownchangeKK*chgGame
 2144 2353 5.50 9 -1.03 10 -10.30 
  McConnell, Sullivan Mac 1961 USA1.0010.08100.80 
  Wang, Andrew 2016 USA0.501-0.3810-3.80 
  Kavutskiy, Kostya m2387 USA0.001-0.4510-4.50 
  Atwell, Rose 1953  * USA0.501-0.4210-4.20 
  Curcuru, John 1998 USA1.0010.11101.10 
  Chen, Ryo Wenyu 2324 USA0.501-0.0410-0.40 
  Sivakumar, Shaaketh 2026 USA0.501-0.3710-3.70 
  Ewing, Gabriel 2024 USA1.0010.12101.20 
  Akobian, Varuzhan g2611 USA0.5010.32103.20 
 * 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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