Individual Calculations September 2009
 Lassis, Patrick  Total change: -20.55  Rating chartPersonal card
 8e open international de Condom - A Condom FRA 2009-07-11
RcRownchangeKK*chgGame
 1889 1705 0.50 7 -1.37 15 -20.55 
  Zaninetti, Laurent 1981 FRA0.5010.33154.95 
  Cemborain Oricain, Alfonso 2022 ESP0.001-0.1315-1.95 
  Sivan, Michel 1880 FRA0.001-0.2715-4.05 
  Riviere, Frederic 1860 FRA0.001-0.2915-4.35 
  Hirschmann, Georges 1917 FRA0.001-0.2315-3.45 
  Ortega Lopez, Mikel 1752 ESP0.001-0.4315-6.45 
  Cwiek, Perrine 1813 FRA0.001-0.3515-5.25 

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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