Individual Calculations May 2018
 Roebuck, Derek  Total change: 3.40  Rating chartPersonal card
 Easter Amateur Chess Open 2018 Praha CZE 2018-03-30
RcRownchangeKK*chgGame
 1846 1629 2.00 5 0.76 20 15.20 
  Magnussen, Helge 2029  * GER0.5010.42208.40 
  Konvalinka, Vladislav 1742 CZE0.5010.15203.00 
  Pacovsky, Ota 1849 CZE0.001-0.2220-4.40 
  Hiller, Wieland 1953 GER0.5010.37207.40 
  Veselsky, Jan 1657 CZE0.5010.04200.80 
 * Rating difference of more than 400. Please read more at FIDE Handbook

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)
 
 Imperial College Chess Congress Open 2018 London ENG 2018-04-20
RcRownchangeKK*chgGame
 1889 1641 0.00 3 -0.59 20 -11.80 
  Ortiz Sanchez, Luis 1951 ESP0.001-0.1420-2.80 
  Dydak, Mateusz 1879 CAN0.001-0.2020-4.00 
  Siddharth, Gopakumar 1838 IND0.001-0.2520-5.00 

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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