Individual Calculations December 2012
 Da Costa, Manuel  Total change: -8.55  Rating chartPersonal card
 Open d'Echecs de Noisiel 2012 (-1600) NOISIEL FRA 2012-10-29
RcRownchangeKK*chgGame
 1540 1435 0.50 3 -0.57 15 -8.55 
  Toure, Ananth 1563 FRA0.001-0.3315-4.95 
  Gatineau, Yovann 1521 FRA0.001-0.3815-5.70 
  Truitard, Jean-Francois 1537 FRA0.5010.14152.10 

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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