Individual Calculations April 2009
 Martin, Joel  Total change: -2.85  Rating chartPersonal card
 24e Open International d'Hiver de Nice Nice FRA 2008-12-26
RcRownchangeKK*chgGame
 1945 2040 4.00 7 -0.19 15 -2.85 
  Humeau, Cyril 2204 FRA0.5010.22153.30 
  Oliveira, Sancho 2233 FRA0.001-0.2515-3.75 
  Ter Sarkissoff, Jean-Jacques 2059 FRA0.001-0.4715-7.05 
  Laurent, Francois 2002 FRA0.501-0.0515-0.75 
  Allard, Thomas 1690 FRA1.0010.11151.65 
  Schwarzkopf, Ludwig 1690 GER1.0010.11151.65 
  Copin, Oceane 1737 FRA1.0010.14152.10 

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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