Individual Calculations August 2015
 Petrera, Salvatore  Total change: -3.60  Rating chartPersonal card
 30eme Open International d'Echecs d'Avoine AVOINE FRA 2015-07-18
RcRownchangeKK*chgGame
 1654 1628 3.50 8 -0.18 20 -3.60 
  Kozlowski, Laurent 1768 FRA0.001-0.3120-6.20 
  Lemiere, Maxence 1373 FRA1.0010.19203.80 
  Barta, Ismael 1801 FRA0.001-0.2720-5.40 
  Maillard, Julien 1782 FRA0.5010.21204.20 
  Oney, Remel 1900 TUR0.001-0.1720-3.40 
  Kerriou, David 1365 FRA1.0010.18203.60 
  Huchede, Ambroise 1324 FRA1.0010.14202.80 
  Yche, Michel 1919 FRA0.001-0.1520-3.00 

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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