Rapid: Individual Calculations April 2020
 Santos, Joao Carlos Martins  Total change: -21.80  Rating chartPersonal card
 CD Semi-Rapidas Algarve 2019-20 Loule POR 2020-02-29
RcRownchangeKK*chgGame
 1493 1580 2.00 5 -1.09 20 -21.80 
  Prata, Jose 1912 POR0.001-0.1220-2.40 
  Monteiro, Simao Costa 1359 POR0.001-0.7820-15.60 
  Mariano, Jose Maria 1291 POR1.0010.16203.20 
  Luis, Paulo 1441 POR1.0010.31206.20 
  Ramos, Tomas Alberto Goncalves 1462 POR0.001-0.6620-13.20 

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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