Blitz: Individual Calculations January 2023
 Zhang, Chengjun  Total change: 8.80  Rating chartPersonal card
 Open Rapidas AX Lisboa 2022-23 Lisboa POR 2022-12-17
RcRownchangeKK*chgGame
 1627 1365 2.00 6 0.22 40 8.80 
  Guerreiro, Nuno 2038 POR0.001-0.0140-0.40 
  Silvestre, Henrique Correia 1071 POR1.0010.15406.00 
  Chaves, Lourenco Barros 1537 POR0.001-0.2740-10.80 
  Reis, Andre Filipe Baptista San 1297 POR1.0010.414016.40 
  Correia, Mario 1942 POR0.001-0.0240-0.80 
  Wang, Minqing 1876 GER0.001-0.0440-1.60 

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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