Individual Calculations August 2022
 Zhang, Roger  Total change: -12.09  Rating chartPersonal card
 50th Annual World Open - Open Philadelphia, Pennsylvania USA 2022-06-30
RcRownchangeKK*chgGame
 2088 1979 3.50 8 0.59 31 18.29 
  Poliannikov, Danila f2314 USA0.001-0.1231-3.72 
  Gangavarapu, Sreekar 1645 USA1.0010.12313.72 
  Malka, Samuel f2223 FRA0.001-0.2031-6.20 
  Yakubov, Mardon 2185 UZB1.0010.763123.56 
  Hardaway, Brewington c2222 USA0.5010.30319.30 
  Denby, Caleb Sean 2184 USA0.5010.26318.06 
  Hernandez-Perez, Pedro 2182 CUB0.001-0.2431-7.44 
  Xu, Kevin 1747 USA0.501-0.2931-8.99 

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)
 
 Marshall Premier July 2022 New York, NY USA 2022-07-08
RcRownchangeKK*chgGame
 1772 2030 2.50 4 -0.73 31 -22.63 
  Li, Jason 1843 USA0.501-0.2431-7.44 
  Su, Jasmine Zhixin 1783 USA0.001-0.8131-25.11 
  Raparthi, Ankit 1831 USA1.0010.24317.44 
  Safranek, William 1630  * USA1.0010.08312.48 
 * 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)
 
 67th Annual Maryland Open - Championship Linthicum Heights, MD USA 2022-07-15
RcRownchangeKK*chgGame
 1804 2030 3.00 5 -0.91 31 -28.21 
  Nair, Siddhant 1862 USA0.001-0.7231-22.32 
  Liu, Aiden Q 1788 USA0.501-0.3031-9.30 
  Pillai, Adithya 1836 USA1.0010.25317.75 
  Jayasundera, Shane 1813 USA1.0010.22316.82 
  Bagchi, Sounak 1719 USA0.501-0.3631-11.16 

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)
 
 23rd annual Pittsburgh Open Major Pittsburgh, PA USA 2022-07-22
RcRownchangeKK*chgGame
 2061 2030 3.00 5 0.66 31 20.46 
  Haldankar, Ameya 1709 USA1.0010.13314.03 
  Feliachi, Nabil 2038 USA0.001-0.4931-15.19 
  Stopa, Jacek g2402 POL0.001-0.1031-3.10 
  Martin, Roger 2197 USA1.0010.723122.32 
  Ren, Jesse 1958 USA1.0010.403112.40 

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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