Individual Calculations June 2023
 Zhang, Roger  Total change: 91.60  Rating chartPersonal card
 15th annual Open at Foxwoods - Open Mashantucket, CT USA 2023-04-05
RcRownchangeKK*chgGame
 2030 1879 3.50 8 1.03 40 41.20 
  Ocido, Michael 2076 PHI0.5010.254010.00 
  Liu, Kelsey 2043 USA1.0010.724028.80 
  Catherina, Michelle wm2192 IND0.001-0.1440-5.60 
  Wiebe, Isaac 2006 CAN0.5010.17406.80 
  Barash, Anton 2074 USA0.5010.254010.00 
  Guha, Eshan 2003 USA0.001-0.3340-13.20 
  Chu, Xiaoman 1837 CHN1.0010.444017.60 
  Sloan, Jed c2006 USA0.001-0.3340-13.20 

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)
 
 2023 May Marshall Premier New York, NY USA 2023-05-07
RcRownchangeKK*chgGame
 2073 1879 2.50 4 1.26 40 50.40 
  Lancman, Kyle 2081 USA1.0010.764030.40 
  Chasin, Nico m2442 USA0.5010.484019.20 
  Jiang, Jason 1899 USA0.5010.03401.20 
  Sinnott, Alex 1869 USA0.501-0.0140-0.40 

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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