Rapid: Individual Calculations January 2023
 Zhang, Chengjun  Total change: -52.40  Rating chartPersonal card
 CD Lisboa Jovens Semirrapidas 2022-23 - U12 Lisboa POR 2022-12-17
RcRownchangeKK*chgGame
 1227 1272 1.00 4 -1.24 40 -49.60 
  Balyk, Roman 1422 UKR0.001-0.3040-12.00 
  Correia, Antonio M M F 1257 POR0.001-0.5240-20.80 
  Carvalho, Joao Pedro F L 1112 POR1.0010.294011.60 
  Oliveira, Gabriel Coimbra 1115 POR0.001-0.7140-28.40 

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)
 
 CD Lisboa Jovens Semirrapidas Equipas 2022-23 - U12 Lisboa POR 2022-12-17
RcRownchangeKK*chgGame
 1248 1272 1.00 2 -0.07 40 -2.80 
  Correia, Antonio M M F 1257 POR1.0010.484019.20 
  Rosa, Jose Lourenco Jesus 1239 POR0.001-0.5540-22.00 

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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