Individual Calculations August 2018
 Perch, Sofya  Total change: -18.80  Rating chartPersonal card
 "Myrhorod-open - 2018 - A" Myrhorod, Poltava region UKR 2018-07-11
RcRownchangeKK*chgGame
 1908 1799 2.50 8 -0.47 40 -18.80 
  Tichonov, Jiri 2107 UKR0.001-0.1440-5.60 
  Petrova, Irina wm2158 UKR0.001-0.1040-4.00 
  Varekha, Anna 1446 MDA1.0010.11404.40 
  Vasyliv, Stanislav 2163 UKR0.001-0.1040-4.00 
  Romaniv, Mykola 1848 UKR0.5010.07402.80 
  Melnikov, Alexander 1877 UKR0.001-0.3940-15.60 
  Granko, Roman 2035 UKR0.001-0.2040-8.00 
  Gritsaenko, Sergiy 1630 UKR1.0010.284011.20 

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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