Individual Calculations September 2018
 Pirir, Jonathan  Total change: 28.00  Rating chartPersonal card
 IRT III TORNEO ABIERTO FIDE 2018 GRUPO B Guatemala GUA 2018-08-11
RcRownchangeKK*chgGame
 1541 1702 3.50 4 0.70 40 28.00 
  Gonzalez B., Jhostin Jose 1405 GUA1.0010.15406.00 
  Samayoa Gomez, Maria Rene 1478 GUA1.0010.22408.80 
  Santiago Sontay, Jenny Fernanda 1620 GUA0.501-0.1140-4.40 
  Gonzalez S., Mauricio Antonio 1662 GUA1.0010.444017.60 

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)
 

 

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