Individual Calculations January 2023
 Jin, David  Total change: -74.80  Rating chartPersonal card
 2022 People Class Warfare Championship - AB Milpitas, California USA 2022-11-25
RcRownchangeKK*chgGame
 1484 1548 1.50 5 -1.43 40 -57.20 
  Ho, Michael S 1610 USA1.0010.594023.60 
  Vale Cruz, Armin 1508 USA0.001-0.5640-22.40 
  Nathan, Arjun 1398 USA0.001-0.7040-28.00 
  Kaleeswaran, Jaidev 1383 USA0.001-0.7240-28.80 
  Qiu, Laurie 1519 USA0.501-0.0440-1.60 

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)
 
 1000GM December BonaFIDE Bay Area Swiss: 1700-1999 San Jose, CA USA 2022-12-10
RcRownchangeKK*chgGame
 1569 1548 0.50 2 -0.44 40 -17.60 
  Ho, Michael 1610 USA0.5010.09403.60 
  Sun, Ethan 1528 USA0.001-0.5340-21.20 

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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