Individual Calculations February 2023
 Khachatryan, Nune  Total change: -56.80  Rating chartPersonal card
 11th annual Boston Chess Congress - U2100 Section Boston MA USA 2023-01-06
RcRownchangeKK*chgGame
 1472 1617 0.00 1 -0.69 40 -27.60 
  Pan, Zachary 1472 USA0.001-0.6940-27.60 

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)
 
 55th annual Liberty Bell Open - U2100 Philadelphia, PA USA 2023-01-13
RcRownchangeKK*chgGame
 1472 1617 2.50 5 -0.95 40 -38.00 
  Diao, Sujia 1491 USA0.501-0.1740-6.80 
  Patel, Maahir M 1547 USA0.001-0.6040-24.00 
  Madiraju, Rishi 1394 USA0.501-0.2840-11.20 
  Cherukuri, Devesh 1509 USA1.0010.354014.00 
  Yang, Aimee 1420 USA0.501-0.2540-10.00 

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)
 
 60th Annual Baltimore Open - U2200 Linthicum Heights, MD USA 2023-01-27
RcRownchangeKK*chgGame
 1669 1617 1.50 3 0.22 40 8.80 
  Cherukuri, Nitesh 1771 USA0.001-0.2940-11.60 
  Brown, Wilbert Alexander 1816 USA1.0010.764030.40 
  Yang, Aimee 1420 USA0.501-0.2540-10.00 

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)
 

 

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