Individual Calculations September 2009
 Derbal, Abdel-Karim  Total change: 3.25  Rating chartPersonal card
 33e Festival International de Val-Thorens - Accession Val Thorens FRA 2009-07-18
RcRownchangeKK*chgGame
 1664 1705 4.00 7 0.13 25 3.25 
  Mikulas, Robert 1513 HUN0.001-0.7525-18.75 
  Mangani, Jean-Pierre 1564 FRA1.0010.31257.75 
  Rodriguez, Jean-Pierre 1858 FRA0.5010.20255.00 
  Arous, Andre 1655 FRA0.001-0.5725-14.25 
  Delpierre, Lin 1759 FRA1.0010.582514.50 
  Nemeth, Attila 1556 HUN1.0010.30257.50 
  Flaquet, Sebastien 1746 FRA0.5010.06251.50 

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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