Individual Calculations June 2023
 Oh, James Y  Total change: 48.80  Rating chartPersonal card
 2023 April Marshall Premier New York, NY USA 2023-04-07
RcRownchangeKK*chgGame
 2067 1981 3.00 4 1.41 40 56.40 
  Dong, Kyle 1832 USA1.0010.304012.00 
  Brain, Logan 2087 USA1.0010.644025.60 
  Subervi, Jonathan f2070 DOM1.0010.624024.80 
  Jacobson, Aaron f2280 USA0.001-0.1540-6.00 

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)
 
 8th Annual Magnus High School and Junior High Chess League - May 2023 New York, NY USA 2023-05-07
RcRownchangeKK*chgGame
 1835 1981 0.00 1 -0.70 40 -28.00 
  Hood, Avery 1835 USA0.001-0.7040-28.00 

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)
 
 2023 May Marshall Premier New York, NY USA 2023-05-07
RcRownchangeKK*chgGame
 2019 1981 2.00 3 0.51 40 20.40 
  Aravindakshan, Sahana 1745 USA1.0010.20408.00 
  Bortnyk, Mykola m2425 UKR0.001-0.0640-2.40 
  Mottola, Max 1887 USA1.0010.374014.80 

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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