Individual Calculations January 2023
 Adams Astudillo, John  Total change: -52.00  Rating chartPersonal card
 Clasificatorio semifinales de Chile 2022-2023 Club Ajedrez Buin Buin CHI 2022-12-10
RcRownchangeKK*chgGame
 1378 1315 0.50 4 -1.30 40 -52.00 
  Barra Delgadillo, Juan Luis 1484 CHI0.5010.22408.80 
  Riquelme Abuffon, Nicolas 1775 CHI0.001-0.0540-2.00 
  Diaz Cortes, Martina Renata 1051 CHI0.001-0.8240-32.80 
  Rios Pattanachang, Nicolas 1203 CHI0.001-0.6540-26.00 

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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