Individual Calculations September 2023
 De Boer, Eelke  Total change: 57.20  Rating chartPersonal card
 Dutch Open Championship 2023 Dieren NED 2023-07-25
RcRownchangeKK*chgGame
 2301 2270 6.00 9 1.85 20 37.00 
  Boesel, Alexander 2002 GER1.0010.17203.40 
  Beerdsen, Thomas m2520 NED0.001-0.1920-3.80 
  Koster, Chiel 2052 NED1.0010.22204.40 
  Zwirs, Nico m2443 NED0.5010.23204.60 
  Schuricht, Emil Frederick 2018 GER1.0010.19203.80 
  Sidhant, Mohapatra m2419 IND0.001-0.3020-6.00 
  Pham, Khoi f2361 NED1.0010.622012.40 
  Van Foreest, Machteld fwm2291 NED1.0010.532010.60 
  Warmerdam, Max g2607 NED0.5010.38207.60 

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)
 
 HZ University of Applied Sciences Chess Tournament 2023 Vlissingen NED 2023-08-05
RcRownchangeKK*chgGame
 2169 2270 6.50 9 1.01 20 20.20 
  Van Driel, Eric 1870  * NED1.0010.08201.60 
  Westerweele, Henrik 1948 NED1.0010.13202.60 
  Arnold, Rhys 2098 NED1.0010.27205.40 
  Ghazarian, Kirk m2474 USA0.5010.26205.20 
  Leenhouts, Koen m2446 NED0.001-0.2720-5.40 
  Emans, Job 2084 NED1.0010.26205.20 
  Bezemer, Arno f2223 NED1.0010.43208.60 
  Ikonnikov, Vyacheslav g2447 FID0.001-0.2720-5.40 
  Verweij, David 1931 NED1.0010.12202.40 
 * 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)
 

 

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