Individual Calculations September 2013
 Martins, David Pires Tavares  Total change: -7.65  Rating chartPersonal card
 Nacionais de Jovens 2013 - sub16 Braga POR 2013-08-02
RcRownchangeKK*chgGame
 1884 2179 5.50 7 -0.32 15 -4.80 
  Mendes, Ines Goncalves Alves R 1779  * POR1.0010.08151.20 
  Fernandes, Miguel A. Murtinho 1779  * POR1.0010.08151.20 
  Santos, Pedro Rodrigo Carvalhin 1779  * POR1.0010.08151.20 
  Dias, Ivo Rodrigues 1885 POR0.501-0.3515-5.25 
  Aguiar, Henrique Rui Neves 2107 POR0.501-0.1015-1.50 
  Ferreira, Luis Pedro 1990 POR1.0010.25153.75 
  Martins, Guilherme Pires Tavare 1871 POR0.501-0.3615-5.40 
 * 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)
 
 3rd International Chess Tournament ISTHMIA 2013 - A Group Vrahati - Korinthos GRE 2013-08-18
RcRownchangeKK*chgGame
 2022 2179 6.00 9 -0.19 15 -2.85 
  Papakonstantinou, Dimitrios 1860 GRE1.0010.13151.95 
  Halkias, Stelios g2567 GRE0.001-0.0915-1.35 
  Tsiros, Fragkiskos Vlasios 1942 GRE0.001-0.8015-12.00 
  Kouskoutis, Georgios-Alexandros 1917 GRE1.0010.18152.70 
  Kwossek, Georg 2023 GER1.0010.29154.35 
  Tsaknakis, Zisis 1793 GRE0.001-0.9115-13.65 
  Grapsa, Georgia wf1992 GRE1.0010.26153.90 
  Tsekmes, Dimitrios 1825 GRE1.0010.11151.65 
  Cherednichenko, Svetlana wg2283 UKR1.0010.64159.60 

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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