Individual Calculations July 2009
 Pommier, Laurent  Total change: -14.10  Rating chartPersonal card
 2e Open international d'Amilly Amilly FRA 2009-05-01
RcRownchangeKK*chgGame
 1796 1773 0.50 3 -0.94 15 -14.10 
  Barnier, Alain 2041 FRA0.001-0.1715-2.55 
  Philippeau, Sylvain 1663 FRA0.501-0.1515-2.25 
  Baroudel, Jacques 1685 FRA0.001-0.6215-9.30 

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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