Individual Calculations February 2017
 Astruc, Iban  Total change: 15.60  Rating chartPersonal card
 13e Open international de Noel de Mont de Marsan MONT DE MARSAN FRA 2016-12-26
RcRownchangeKK*chgGame
 1581 1501 4.50 9 0.78 20 15.60 
  Alloui-Cros, Baptiste 1901  * FRA0.001-0.0820-1.60 
  Riballet, Jean-Paul 1279 FRA1.0010.22204.40 
  Cazeaux, Didier 1796 FRA0.001-0.1520-3.00 
  Gattegno-Graciet, Maylis 1288 FRA0.501-0.2720-5.40 
  Lailheugue, Maylis 1502 FRA1.0010.502010.00 
  Barraud, Mickael 1808 FRA0.5010.36207.20 
  Jackson, Edgar 1701 FRA0.001-0.2420-4.80 
  Alloui-Cros, Alix 1667 FRA0.5010.22204.40 
  Mariette, Fabrice 1285 FRA1.0010.22204.40 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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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