Individual Calculations November 2023
 Wells, Clinton A.  Total change: 16.20  Rating chartPersonal card
 ACC Club Championships 2023 7-9 Auckland NZL 2023-10-02
RcRownchangeKK*chgGame
 1667 1590 2.00 3 0.81 20 16.20 
  Balakeyan, Raj 1556 NZL0.501-0.0520-1.00 
  Winfield, Alan W 1757 NZL1.0010.722014.40 
  Chang, Yolanda 1689 NZL0.5010.14202.80 

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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