Individual Calculations February 2018
 Van Der Velde, Wytse  Total change: 25.60  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1989 1966 5.50 9 1.28 20 25.60 
  Sula, Avni 2018 ALB0.5010.07201.40 
  Roet, Siem 2005 NED1.0010.552011.00 
  Albrecht, Alex 1840 NED0.501-0.1720-3.40 
  Dissel, Henk 1976 NED0.5010.01200.20 
  Voss, Herman 1993 NED1.0010.542010.80 
  Van Engen, Herman 2032 NED0.5010.09201.80 
  Brouwer, Timon 1972 NED1.0010.512010.20 
  Helder, Marc 2118 NED0.5010.20204.00 
  Manshanden, Nick 1949 NED0.001-0.5220-10.40 

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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