Individual Calculations August 2019
 Bevan, Peter M  Total change: -52.80  Rating chartPersonal card
 16th South Wales International Open Bridgend WLS 2019-07-07
RcRownchangeKK*chgGame
 1816 1942 2.00 7 -2.64 20 -52.80 
  Richardson, John R f2239 ENG0.001-0.1520-3.00 
  Harris, Calum 1764 WLS0.001-0.7320-14.60 
  Davies, Sam 1705 ENG0.501-0.3020-6.00 
  Sivarajasingam, Venetia wc1745 WLS1.0010.25205.00 
  Nechio, Douglas Egidio Gomes 1819 BRA0.501-0.1720-3.40 
  Wilson, Matthew R 1817 ENG0.001-0.6720-13.40 
  Ong, Weng Yan 1624 MAS0.001-0.8720-17.40 

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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