Individual Calculations April 2020
 Nijboer, Friso  Total change: -8.30  Rating chartPersonal card
 12th Batavia Chess Tournament Amsterdam NED 2020-02-21
RcRownchangeKK*chgGame
 2461 2469 3.50 8 -0.59 10 -5.90 
  Sukandar, Irine Kharisma mwg2408 INA0.001-0.5810-5.80 
  Zwirs, Nico m2443 NED0.501-0.0410-0.40 
  Trent, Lawrence m2386 ENG0.501-0.1110-1.10 
  Admiraal, Miguoel m2501 NED1.0010.54105.40 
  Warakomski, Tomasz g2501 POL0.001-0.4610-4.60 
  Bosboom, Manuel m2410 NED0.501-0.0810-0.80 
  Reinderman, Dimitri g2582 NED1.0010.65106.50 
  Feuerstack, Aljoscha m2459 GER0.001-0.5110-5.10 

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)
 
 Dutch Team Competition 2019-2020 Meester Round 6 various NED 2020-03-07
RcRownchangeKK*chgGame
 2290 2476 0.50 1 -0.24 10 -2.40 
  Bezemer, Arno f2290 NED0.501-0.2410-2.40 

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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