Individual Calculations February 2018
 Van Randen, Fred  Total change: 27.20  Rating chartPersonal card
 Tata Steel Dagvierkampen 2018 Wijk aan Zee NED 2018-01-15
RcRownchangeKK*chgGame
 1890 1836 1.50 2 0.64 20 12.80 
  Lucas, Fred 1814 NED1.0010.47209.40 
  Vlugt, Frans 1965 NED0.5010.17203.40 

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)
 
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1856 1836 4.50 8 0.72 20 14.40 
  Avis, Fred 1869 NED1.0010.552011.00 
  Dekker, Jop 1911 NED0.5010.10202.00 
  Lucas, Fred 1814 NED1.0010.47209.40 
  Karstens, Lex 1861 NED0.5010.03200.60 
  Froberg, Gert-Jan 1869 NED0.5010.05201.00 
  Schepens, Vincent 1742 BEL0.501-0.1320-2.60 
  Hummel, Dick 1913 NED0.5010.11202.20 
  De Vries, Emma 1867 NED0.001-0.4620-9.20 

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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