Individual Calculations September 2023
 Ju, Alan  Total change: -34.40  Rating chartPersonal card
 May-July 2023 Marshall Monday New York, NY USA 2023-05-29
RcRownchangeKK*chgGame
 1694 1653 0.00 1 -0.44 40 -17.60 
  Hardin, John 1694 USA0.001-0.4440-17.60 

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)
 
 July-August 2023 Marshall Monday Rounds 1-3 New York, NY USA 2023-07-10
RcRownchangeKK*chgGame
 1957 1633 0.00 2 -0.26 40 -10.40 
  Kozower, Ethan 1914 USA0.001-0.1640-6.40 
  Mullodzhanov, Nathaniel 2000 USA0.001-0.1040-4.00 

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)
 
NOTE: K factor changed
 July-August 2023 Marshall Monday Rounds 4-6 New York, NY USA 2023-07-31
RcRownchangeKK*chgGame
 1700 1633 0.50 2 -0.32 20 -6.40 
  Schaefer, Sasha 1662 USA0.5010.04200.80 
  Nizhegorodtsev, Sergey 1738 USA0.001-0.3620-7.20 

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)
 

 

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