Individual Calculations September 2023
 Santiago Lastra, Nefi  Total change: 11.40  Rating chartPersonal card
 Campeonato Regional Centro Absoluto 2023 Huancayo PER 2023-08-11
RcRownchangeKK*chgGame
 1639 1906 3.00 3 0.57 20 11.40 
  Rodriguez, Percy 1506  * PER1.0010.08201.60 
  Alvarado Orna, Kemi Kim 1626 PER1.0010.16203.20 
  Santiago Vilca, Lito Gustavo 1784 PER1.0010.33206.60 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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