Individual Calculations July 2009
 Jaccard, Jonathan  Total change: -13.05  Rating chartPersonal card
 Coupe du Leman Cat.A-VAUD different places SUI 2008-10-01
RcRownchangeKK*chgGame
 2150 1918 0.00 4 -0.87 15 -13.05 
  Duratti, Lindo 2186 FRA0.001-0.1715-2.55 
  Gobet, Fernand m2268 SUI0.001-0.1115-1.65 
  Chervet, Olivier 2035 SUI0.001-0.3415-5.10 
  Perruchoud, Pierre 2111 SUI0.001-0.2515-3.75 

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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