Individual Calculations February 2018
 Antunes, Andre Rafael Maissa  Total change: 12.40  Rating chartPersonal card
 Lisbon Christmas Chess Open 2017 Lisboa POR 2017-12-26
 1510 1446 2.50 5 0.31 40 12.40 
  Morais, Vitor Mestre 1846  * POR0.001-0.0840-3.20 
  Canelas, Miguel Amaral Beja Cl 1079 POR1.0010.10404.00 
  Sousa, Manuel Filipe Mascarenh 1209 POR1.0010.20408.00 
  Guia, Artur Solovyov Eloy Da 1570 POR0.5010.17406.80 
  Parreira, Luis Miguel Castela 1846  * POR0.001-0.0840-3.20 
 * 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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