Individual Calculations February 2017
 Roos, David  Total change: -12.80  Rating chartPersonal card
 37eme Open International d'Echecs de Bethune - Tournoi A BETHUNE FRA 2016-12-26
 2168 2126 3.50 9 -0.64 20 -12.80 
  Lutard, Florian 2036 FRA0.001-0.6220-12.40 
  Van Randtwijk, Mick 1980 NED1.0010.30206.00 
  Delorme, Axel m2517 FRA0.001-0.0920-1.80 
  De Coninck, Erik 1929 BEL1.0010.25205.00 
  Fontaine, Quentin 2289 BEL0.001-0.2820-5.60 
  Capone, Nicola m2389 BEL0.5010.32206.40 
  Bratuszewski, Jorden 1967 BEL1.0010.29205.80 
  Le Quang, Kim f2316 BEL0.001-0.2520-5.00 
  Real, Thibault 2085 BEL0.001-0.5620-11.20 

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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