Individual Calculations October 2022
 Qi, Jenny  Total change: 100.00  Rating chartPersonal card
 2022 CalChess State Open Class Championship - Class A Milpitas, California USA 2022-09-03
RcRownchangeKK*chgGame
 1550 1442 3.00 5 1.21 40 48.40 
  Suarez, Sebastian 1615 USA0.001-0.2740-10.80 
  Sawhney, Yuvraj Singh 1551 USA1.0010.654026.00 
  Ho, Michael S 1644 USA0.001-0.2440-9.60 
  Nathan, Arjun 1420 USA1.0010.474018.80 
  Vale Cruz, Armin 1518 USA1.0010.604024.00 

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)
 
 21st Donnelly Memorial Championship - U2000 San Francisco, California USA 2022-09-17
RcRownchangeKK*chgGame
 1654 1442 2.00 3 1.29 40 51.60 
  Powers, Christopher 1672 USA1.0010.794031.60 
  Perlov, Daniel Robert 1562 USA1.0010.664026.40 
  Molodyk, Mikhail Alexandrovich 1728 RUS0.001-0.1640-6.40 

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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