Individual Calculations May 2017
 Zielinski, Olgierd  Total change: -11.60  Rating chartPersonal card
 World Amateur Championship - under 2000 Spoleto ITA 2017-04-01
RcRownchangeKK*chgGame
 1826 1916 5.00 9 -0.58 20 -11.60 
  Mohnblatt, Daniel 1765 FRA0.501-0.2020-4.00 
  Brioschi, Camillo 1746 ITA0.501-0.2220-4.40 
  Cuesta Cifuentes, Jair Alfonso 1831 COL1.0010.38207.60 
  Tsvetkov, Andrey 1998 RUS0.001-0.3920-7.80 
  Karaivanov, Alexander 1850 BUL0.001-0.5920-11.80 
  Rocchetti, Sergio 1803 ITA0.001-0.6520-13.00 
  Sabau, Ioan 1774 CAN1.0010.31206.20 
  Chidichimo, Pedro Jose Maria 1813 ESP1.0010.36207.20 
  Serafim Junior, Arnor 1855 BRA1.0010.42208.40 

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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