Individual Calculations February 2018
 Roos, David  Total change: -5.40  Rating chartPersonal card
 38eme Open International d'Echecs de Bethune - Tournoi A BETHUNE FRA 2017-12-26
 2066 2088 4.00 8 -0.27 20 -5.40 
  Lui, Eric 1972 BEL0.001-0.6620-13.20 
  Wlogalski, Olivier 1968 BEL0.001-0.6620-13.20 
  Tarin, Nicolas 2098 FRA0.5010.01200.20 
  Vanden Bussche, Steven 1970 BEL1.0010.34206.80 
  Heynen, Koen 2003 BEL1.0010.38207.60 
  Mohammad, Fahim f2244 FRA0.001-0.2920-5.80 
  Daniel, Antoine 1964 FRA1.0010.33206.60 
  De Waele, Warre f2307 BEL0.5010.28205.60 

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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