Individual Calculations September 2023
 Gaw, Chloe  Total change: 24.75  Rating chartPersonal card
 June 2023 Marshall Premier New York, NY USA 2023-06-02
RcRownchangeKK*chgGame
 2072 1873 2.50 5 1.03 25 25.75 
  Williams, Justus m2396 USA0.001-0.0325-0.75 
  Olsen, Robert 1892 USA1.0010.532513.25 
  Harriott, Tyrell 1846 USA1.0010.462511.50 
  Meduri, Aakaash 2017 USA0.5010.19254.75 
  Hughes, John 2210 IRL0.001-0.1225-3.00 

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)
 
 31st annual Southern Open - Major Orlando, FL USA 2023-07-28
RcRownchangeKK*chgGame
 1916 1864 2.00 5 -0.30 25 -7.50 
  Gamboa, Nelson m2322 COL0.001-0.0525-1.25 
  Grose, Kameron 1836 ENG1.0010.462511.50 
  Hamley, Ryan Edward 2098 USA0.001-0.2125-5.25 
  Kumar, Sanjay 1756 USA0.501-0.1525-3.75 
  Trey, Justin 1567 USA0.501-0.3525-8.75 

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)
 
 August 2023 Marshall Premier New York, NY USA 2023-08-04
RcRownchangeKK*chgGame
 1961 1874 1.50 5 -0.56 25 -14.00 
  Lapshun, Yury m2344 USA0.001-0.0525-1.25 
  Olsen, Robert 1892 USA0.001-0.4725-11.75 
  Wong, Wyatt 1605 USA1.0010.17254.25 
  Su, Jasmine 2035 USA0.5010.21255.25 
  Klein, Ethan J 1930 USA0.001-0.4225-10.50 

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)
 
 XXXIII Pan-American Youth Chess Festival - Under 14 Female Chicago, IL USA 2023-08-12
RcRownchangeKK*chgGame
 1622 1874 7.50 9 0.44 25 11.00 
  Pham, Linda 1474  * USA1.0010.08252.00 
  Cheng, Claire Ziyun 1455 USA1.0010.07251.75 
  Herrada, Blanco Maria Fernanda 1545 PER0.501-0.3825-9.50 
  Danduprolu, Ridhi Varma 1507 USA1.0010.10252.50 
  Jiang, Hanxi 1559 CAN1.0010.14253.50 
  Wang, Chloe 1713 USA0.501-0.2125-5.25 
  Silva, Juliana Figueira Theophil 1671 BRA1.0010.24256.00 
  Yu, Avery 1800 USA1.0010.402510.00 
  Mayorga Araya, Sofia wc1871 CRC0.5010.00250.00 
 * 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)
 
 55th annual Atlantic Open - Major Reston, VA USA 2023-08-25
RcRownchangeKK*chgGame
 1952 1874 2.00 4 0.38 25 9.50 
  Zlotnikov, Mikhail m2147 USA0.5010.33258.25 
  Samuelson, Andrew f2006 USA0.001-0.3225-8.00 
  Singh, Siddharth 1790 USA0.501-0.1225-3.00 
  Chang, Max 1865 USA1.0010.492512.25 

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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