Individual Calculations February 2020
 De Ruyter, Wim  Total change: 2.40  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1632 1623 4.50 9 0.12 20 2.40 
  Wolters, Dick 1702 NED1.0010.612012.20 
  De Vreeze, Frans 1684 NED0.001-0.4220-8.40 
  Adavatkar, Rugved 1733 NED0.001-0.3520-7.00 
  Gijsbers, Joop 1538 NED0.001-0.6220-12.40 
  Bergen, Fred 1761 NED0.5010.19203.80 
  Jansma, Dennis 1444 NED0.501-0.2320-4.60 
  Blaas, Stephan 1604 NED1.0010.47209.40 
  Jean, Robert 1666 FRA1.0010.562011.20 
  Hubers, Daan 1555 NED0.501-0.0920-1.80 

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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