Individual Calculations February 2023
 Yao, Hanchi  Total change: 170.00  Rating chartPersonal card
 32nd annual North American Open - U2300 Paradise, Nevada USA 2022-12-26
RcRownchangeKK*chgGame
 1871 1618 3.00 7 1.56 40 62.40 
  Creger V, Leo 1915 USA0.001-0.1540-6.00 
  Olheiser, Gordon 1984 CAN0.5010.404016.00 
  Hulse, Brian f1907 USA0.5010.344013.60 
  Castro, Natalia Patricia wm1964 COL0.5010.394015.60 
  Dowling, John 1915 USA0.5010.354014.00 
  Meng, Joshua 1747 USA1.0010.674026.80 
  Sethuraman, Roshan 1664 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)
 
 14th annual Golden State Open - Major Concord, CA USA 2023-01-13
RcRownchangeKK*chgGame
 1936 1643 2.00 4 1.33 40 53.20 
  Grijalva, Richard 2058 USA1.0010.934037.20 
  Seitzer, Phillip 1969 USA1.0010.874034.80 
  Arutla, Aditya 1939 USA0.001-0.1540-6.00 
  Sun, Kevin 1777 USA0.001-0.3240-12.80 

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)
 
 2023 SJCC Winter Championship Milpitas, CA USA 2023-01-21
RcRownchangeKK*chgGame
 1729 1643 3.00 4 1.36 40 54.40 
  Oza, Nikunj Chandrakant 1668 USA1.0010.534021.20 
  Pullela, Sricharan 2010 USA0.5010.404016.00 
  Karthi, Jashith 1696 USA0.5010.07402.80 
  Zhou, Ivan 1540 USA1.0010.364014.40 

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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