Individual Calculations July 2017
 Lucas, Melvyn Andre  Total change: -32.40  Rating chartPersonal card
 15th IBCA Chess Olympiad for Blind and Visually Impaired Chess Players 2017 Ohrid MKD 2017-06-19
RcRownchangeKK*chgGame
 1917 1622 0.00 5 -0.81 40 -32.40 
  Grybas, Gintaras 2022  * LTU0.001-0.0840-3.20 
  Nielsen, Henning 1793 DEN0.001-0.2740-10.80 
  Rev, Miklos 2022  * HUN0.001-0.0840-3.20 
  Harnandan, Sergio 1863 NED0.001-0.2040-8.00 
  Johansson, Tage 2001 1885 SWE0.001-0.1840-7.20 
 * 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)
 

 

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