Individual Calculations July 2023
 Williams, Justus  Total change: -25.20  Rating chartPersonal card
 10th Cherry Blossom Classic - Open Dulles, Virginia USA 2023-05-24
RcRownchangeKK*chgGame
 2155 2396 4.50 9 -2.52 10 -25.20 
  Brady, Tyson 2092 USA0.001-0.8610-8.60 
  Martin, Sam B 2067 USA1.0010.12101.20 
  Tanenbaum, Zachary c2261 USA0.001-0.6810-6.80 
  Su, Kevin 2038 USA1.0010.10101.00 
  Altman, Joshua c2120 ENG1.0010.17101.70 
  Matviishen, Viktor g2538 UKR0.001-0.3110-3.10 
  Prabhu, Naveen 2138 USA0.501-0.3210-3.20 
  Girsh, Daniel 2123 USA0.001-0.8310-8.30 
  Samuelson, Andrew f2019 USA1.0010.09100.90 

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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