Individual Calculations August 2023
 Van Rootselaar, Rik  Total change: 145.60  Rating chartPersonal card
 Amsterdam Science Park Chess Tournament 2023 - Group A Amsterdam NED 2023-07-15
RcRownchangeKK*chgGame
 2139 1891 5.50 9 3.64 40 145.60 
  Pronk, Sven 2050 NED1.0010.714028.40 
  De Winter, Arthur f2378 NED0.001-0.0440-1.60 
  Van Nieuwkerk, Ton 2038 NED1.0010.704028.00 
  Overeem, Marc f2097 NED0.5010.264010.40 
  Arnold, Rhys 2111 NED1.0010.784031.20 
  Bosboom, Ardin 2106 NED1.0010.774030.80 
  De Groote, Ewoud 2232 NED0.001-0.1240-4.80 
  Shakhverdian, William 2129 NED0.001-0.2040-8.00 
  Baarslag, Ed 2112 NED1.0010.784031.20 

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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