Individual Calculations February 2018
 Folkertsma, Peter  Total change: -22.80  Rating chartPersonal card
 Tata Steel Tienkampen 2018 Wijk aan Zee NED 2018-01-19
RcRownchangeKK*chgGame
 1677 1640 2.00 7 -1.14 20 -22.80 
  Brandsma, Romayn 1625 NED0.001-0.5220-10.40 
  Thierry, Rein 1653 NED0.5010.02200.40 
  Wolters, Dick 1711 NED0.5010.10202.00 
  Breurkes, Richard 1795 NED0.5010.21204.20 
  Hoogeveen, Luuk 1615 NED0.001-0.5320-10.60 
  Kamps, Ronald 1737 NED0.5010.13202.60 
  Tan, Teck Woon 1603 SGP0.001-0.5520-11.00 

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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