Individual Calculations February 2020
 Heijboer, Pieter  Total change: -37.80  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1965 2039 3.50 9 -1.89 20 -37.80 
  Golbach, Floris 1968 NED0.001-0.6020-12.00 
  Wiering, Jelle 2044 NED0.5010.01200.20 
  Pauw, Martijn 1920 NED0.501-0.1620-3.20 
  De Bruijn, Aad 1991 NED0.501-0.0720-1.40 
  Koes, Richard 1845 NED0.001-0.7520-15.00 
  Holscher, Peter 2020 NED1.0010.47209.40 
  Kanis, Sierk 1989 NED0.001-0.5720-11.40 
  Kooiman, Piet 1941 NED1.0010.37207.40 
  Schultze, Joerg-Martin, Dr. 1971 GER0.001-0.5920-11.80 

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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