Individual Calculations September 2009
 Lebedel, Marc  Total change: -12.15  Rating chartPersonal card
 19e tournoi international de Gorges Gorges FRA 2009-07-05
RcRownchangeKK*chgGame
 1671 1630 1.00 4 -0.81 15 -12.15 
  Bellay, Jean-Pierre 1549 FRA1.0010.39155.85 
  Martini, Lionel 1637 FRA0.001-0.4915-7.35 
  Louf, Claude 1621 FRA0.001-0.5115-7.65 
  Mercier, Jean-Loup 1875 FRA0.001-0.2015-3.00 

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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