Individual Calculations February 2023
 Kerr, Grant  Total change: -51.60  Rating chartPersonal card
 Bob Wade Challengers Auckland NZL 2023-01-14
RcRownchangeKK*chgGame
 1889 1768 0.50 9 -2.58 20 -51.60 
  Mao, Daqi 1901 NZL0.001-0.3220-6.40 
  Qin, Oscar Shu Xuan 1793 NZL0.5010.03200.60 
  Cilia Vincenti, David c1964 MLT0.001-0.2520-5.00 
  Lane, Ryan 1825 AUS0.001-0.4220-8.40 
  Punsalan, Vyanla M wf1989 NZL0.001-0.2220-4.40 
  Tang, Hao 1912 NZL0.001-0.3120-6.20 
  Lim, Benjamin U c1866 NZL0.001-0.3720-7.40 
  Patterson, Miles 1951 AUS0.001-0.2620-5.20 
  Forster, William c1799 NZL0.001-0.4620-9.20 

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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