Individual Calculations February 2019
 Roos, David  Total change: 23.00  Rating chartPersonal card
 39eme Open International d'Echecs de Bethune - Tournoi A BETHUNE FRA 2018-12-26
 2283 2118 4.00 9 1.15 20 23.00 
  Chaerle, Josse 1998 BEL1.0010.34206.80 
  Shirazi, Kamran m2341 FRA1.0010.782015.60 
  Sokolov, Andrei g2487 FRA0.001-0.1020-2.00 
  Delorme, Axel g2510 FRA1.0010.922018.40 
  Abergel, Thal g2421 FRA0.001-0.1420-2.80 
  Rakotomaharo, Fy Antenaina m2429 MAD0.001-0.1420-2.80 
  Van Overdam, Julian f2363 NED0.001-0.2020-4.00 
  Houhou, Alexandre 1966 FRA0.001-0.7020-14.00 
  Alvin, Leo 2035 FRA1.0010.39207.80 

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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