Individual Calculations September 2021
 Petralia, Fabio  Total change: -53.00  Rating chartPersonal card
 Brugse Meesters - Belgian Open Championship 2021 A-group Brugge BEL 2021-08-14
RcRownchangeKK*chgGame
 1784 1846 2.00 8 -2.65 20 -53.00 
  Follesa, Enrico 2119 BEL0.001-0.1720-3.40 
  Daels, Marc f2188 BEL0.001-0.1220-2.40 
  Nica, Radu-Catalin 1450 BEL0.501-0.4220-8.40 
  Govoreanu, Matei 1731 BEL0.001-0.6620-13.20 
  Norden, Marc 1743 NED1.0010.36207.20 
  Bultijnck, Kristoff 1605 BEL0.001-0.8020-16.00 
  Peeters, Alex 1780 BEL0.001-0.5920-11.80 
  Attinger, Roman 1655 NED0.501-0.2520-5.00 

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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