Rapid: Individual Calculations January 2018
 Peak, Stephen  Total change: -30.20  Rating chartPersonal card
 Papatoetoe Rapid A 2017 Auckland NZL 2017-12-02
RcRownchangeKK*chgGame
 1897 1832 1.00 6 -1.51 20 -30.20 
  Gong, Daniel Hanwen f2101 NZL0.001-0.1720-3.40 
  Stuart, Peter W 1983 NZL0.5010.20204.00 
  Qin, Joy Shu Yan wc1692 NZL0.001-0.6920-13.80 
  Wright, Caleb 1894 NZL0.001-0.4120-8.20 
  Yan, Caroline 1754 NZL0.501-0.1120-2.20 
  Lim, Benjamin U c1959 NZL0.001-0.3320-6.60 

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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