Individual Calculations February 2023
 Niu, Qiming  Total change: 138.00  Rating chartPersonal card
 2023 Oceania Zonal 3.6 Open Melbourne AUS 2023-01-23
RcRownchangeKK*chgGame
 1811 1597 6.00 9 3.45 40 138.00 
  Ogada-Osir, Ibrahim 2123 AUS0.5010.474018.80 
  Dowden, Tony c1981 NZL0.001-0.0940-3.60 
  Sanusi-Goh, Gavyn 1326 AUS1.0010.17406.80 
  Kerr, Atlas 1923 NZL0.001-0.1340-5.20 
  Coracas, Tass 1216 AUS1.0010.09403.60 
  Wang, Lachlan 1770 AUS1.0010.734029.20 
  Brown, Joshua 1865 AUS1.0010.834033.20 
  Salasan, Haran 2002 AUS1.0010.924036.80 
  Kargosha, Bahman c2096 AUS0.5010.464018.40 

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)
 

 

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