Individual Calculations September 2021
 Zhou, Jianchao  Total change: 2.60  Rating chartPersonal card
 26th Annual Pacific Coast Open - Premier Van Nuys, California USA 2021-07-30
RcRownchangeKK*chgGame
 2466 2603 2.00 3 0.07 10 0.70 
  Oberoi, Shelev 2203  * USA1.0010.08100.80 
  Akopian, Vladimir g2625 USA0.5010.03100.30 
  Niemann, Hans g2571 USA0.501-0.0410-0.40 
 * 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)
 
 51st Annual Continental Open - Master Sturbridge, Massachusetts USA 2021-08-12
RcRownchangeKK*chgGame
 2437 2619 6.50 9 0.01 10 0.10 
  Chiu, Isaac 2250 USA1.0010.10101.00 
  Mulyar, Michael A m2366 USA1.0010.19101.90 
  Paragua, Mark g2477 PHI0.501-0.1910-1.90 
  Sevian, Samuel g2647 USA0.5010.04100.40 
  Beradze, Irakli m2475 GEO0.501-0.1910-1.90 
  Zeltsan, Joseph 2301 USA1.0010.13101.30 
  Jacobson, Brandon g2481 USA0.501-0.1910-1.90 
  Mikhalevski, Victor g2579 ISR0.501-0.0610-0.60 
  Bartell, Thomas m2354 USA1.0010.18101.80 

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)
 
 16th Annual Indianapolis Open - Major Indianapolis, Indiana USA 2021-08-27
RcRownchangeKK*chgGame
 2279 2619 4.50 5 0.18 10 1.80 
  Herron, Mike 2219  * USA1.0010.08100.80 
  Inskeep, Ben 2219  * USA1.0010.08100.80 
  Proleiko, Julian 2219  * USA1.0010.08100.80 
  Belous, Vladimir g2518 RUS0.501-0.1410-1.40 
  Wang, Eigen 2219  * USA1.0010.08100.80 
 * 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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