Individual Calculations September 2014
 Howells, S Wyn  Total change: -27.60  Rating chartPersonal card
 FE 6 Ischia, isola verde - B Forio d'Ischia ITA 2014-07-27
RcRownchangeKK*chgGame
 1698 1720 2.50 6 -0.69 40 -27.60 
  Doromeychuk, Anton 1835 ITA0.001-0.3440-13.60 
  De Guglielmo, Pasquale 1588 ITA1.0010.324012.80 
  Navarra, Stefano 1557 ITA0.501-0.2240-8.80 
  Gough, Rod 1832 WLS0.5010.15406.00 
  Fusco, Ferdinando 1708 ITA0.001-0.5240-20.80 
  Cavazzoni, Carlo Alberto 1666 ITA0.501-0.0840-3.20 

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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