Individual Calculations May 2019
 Gaya Sans, Jordi  Total change: -38.00  Rating chartPersonal card
 VII Open del Gotico Club Escacs Barcelona Electrica Baleares Barcelona ESP 2019-02-12
RcRownchangeKK*chgGame
 1802 2002 0.50 2 -0.95 40 -38.00 
  Valbuena Castro, Gregorio 1645 ESP0.501-0.3940-15.60 
  Ferre Campos, Josep 1958 ESP0.001-0.5640-22.40 

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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