Individual Calculations December 2018
 Boris, Peter Theodore  Total change: -102.00  Rating chartPersonal card
 World Cadet Chess Championship U-12 Open 2018 Santiago de Compostela ESP 2018-11-04
RcRownchangeKK*chgGame
 1736 1914 6.00 11 -1.60 40 -64.00 
  Cernadas Camean, David 1514  * ESP1.0010.08403.20 
  Murzin, Volodar f2314  * RUS0.001-0.0840-3.20 
  Orrego Palermo, Marcelo 1523 CHI0.501-0.4140-16.40 
  Aapola, Volter 1514  * FIN1.0010.08403.20 
  Rostomyan, Mikayel 1565 ARM0.001-0.8940-35.60 
  McKennis, Darren 1598 JAM1.0010.13405.20 
  Aizenberg, Benny 2164 ISR0.001-0.1940-7.60 
  Merriman, James 1664 ENG1.0010.19407.60 
  Vargas Sotelo, Victor 1514  * ECU0.501-0.4240-16.80 
  Macias De Castro, Alberto 1586 ESP1.0010.13405.20 
  Chyzy, Jakub 2136 POL0.001-0.2240-8.80 
 * 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)
 
 49th Annual National Chess Congress Philadelphia, Pennsylvania USA 2018-11-23
RcRownchangeKK*chgGame
 2019 1914 0.50 4 -0.95 40 -38.00 
  Tian, Eddy 2151 USA0.001-0.2040-8.00 
  Narkeeran, Madhavan 2000 USA0.5010.12404.80 
  Zhu, Evelyn wm1945 USA0.001-0.4640-18.40 
  Luo, Ryan 1979 USA0.001-0.4140-16.40 

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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