Individual Calculations January 2020
 Bon Ibanez, Alejandro  Total change: -18.00  Rating chartPersonal card
 Copa de Cantabria 2019 Cantabria ESP 2019-11-09
RcRownchangeKK*chgGame
 1865 1806 0.00 2 -0.90 20 -18.00 
  Hornero Perez, Mario I 1596 ESP0.001-0.7720-15.40 
  Martinez Gonzalez, Crescencio 2134 ESP0.001-0.1320-2.60 

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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