Individual Calculations July 2019
 Bouwman, Marcelo Wanderley  Total change: 1.20  Rating chartPersonal card
 Aberto do Brasil Xadrez Potiguar 2019 STD Natal RN BRA 2019-06-07
RcRownchangeKK*chgGame
 2006 2233 4.50 6 0.06 20 1.20 
  Batista Inacio, Pedro Lews 1833  * BRA1.0010.08201.60 
  Da Silva, Izael Brasilino Araujo 1857 BRA1.0010.09201.80 
  Lima, Alan Silva De 1936 BRA1.0010.15203.00 
  Dias, Joao Paulo Morais Medeiros 1833  * BRA1.0010.08201.60 
  Macedo, Maximo Iack m2318 BRA0.5010.12202.40 
  Cavalcanti, Francisco De Assis f2261 BRA0.001-0.4620-9.20 
 * 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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