Individual Calculations July 2017
 Armstrong, William G  Total change: -33.20  Rating chartPersonal card
 15th IBCA Chess Olympiad for Blind and Visually Impaired Chess Players 2017 Ohrid MKD 2017-06-19
RcRownchangeKK*chgGame
 1870 1839 2.50 9 -1.66 20 -33.20 
  Janjic, Stefan 2147 SRB0.001-0.1420-2.80 
  Aksu, Mumin 1741 TUR0.001-0.6320-12.60 
  Dima, Mihai 1959 ROU0.5010.16203.20 
  Selkovski, Zarko 1922 MKD0.001-0.3920-7.80 
  Platon, Constantin 1680 MDA1.0010.29205.80 
  Christensen, Dan 1547 DEN1.0010.15203.00 
  Muri, Emil 1920 SLO0.001-0.3920-7.80 
  Casadei, Marco 1835 ITA0.001-0.5120-10.20 
  Kolpakov, Vladyslav 2079 UKR0.001-0.2020-4.00 

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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