Blitz: Individual Calculations February 2023
 Zhang, Chengjun  Total change: 34.00  Rating chartPersonal card
 CD Lisboa Jovens Rapidas 2022-23 - U12 Lisboa POR 2023-01-22
RcRownchangeKK*chgGame
 1435 1374 3.00 5 0.85 40 34.00 
  Balyk, Roman 1463 UKR0.001-0.3840-15.20 
  Rosa, Jose Lourenco Jesus Cordeir 1277 POR1.0010.374014.80 
  Carvalho, Joao Pedro Ferreira Lar 1101 POR1.0010.17406.80 
  Zhang, Xin An 1723 HKG0.001-0.1140-4.40 
  Ryabukhina, Veronika 1612 RUS1.0010.804032.00 

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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