Individual Calculations March 2017
 Di-Vetta, Andrew  Total change: 1.00  Rating chartPersonal card
 46th Dyfed Open 2017 Fishguard WLS 2017-02-24
RcRownchangeKK*chgGame
 1758 1604 1.00 3 0.05 20 1.00 
  Ehsandar, Peter 1928 WLS0.001-0.1320-2.60 
  Buttell, David 1748 WLS0.001-0.3120-6.20 
  Probert, Malcolm 1598 WLS1.0010.49209.80 

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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