Individual Calculations October 2022
 Vale Cruz, Armin  Total change: -10.20  Rating chartPersonal card
 2022 CalChess State Open Class Championship - Class A Milpitas, California USA 2022-09-03
RcRownchangeKK*chgGame
 1519 1518 2.50 6 -0.51 20 -10.20 
  Meiyappan, Kavya 1374 USA1.0010.31206.20 
  Zhou, Greg 1560 USA0.5010.06201.20 
  Zhou, Ivan 1458 USA1.0010.42208.40 
  Tia, Rudy Goce 1757 PNG0.001-0.2020-4.00 
  Baldonado, Noah 1521 USA0.001-0.5020-10.00 
  Qi, Jenny 1442 USA0.001-0.6020-12.00 

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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