Individual Calculations February 2020
 Van Soest, Peter  Total change: -46.80  Rating chartPersonal card
 Tata Steel Tienkampen 2020 Wijk aan Zee NED 2020-01-17
RcRownchangeKK*chgGame
 1571 1602 1.00 4 -1.17 40 -46.80 
  Groot, Gerard 1620 NED0.001-0.4740-18.80 
  Smit, Tom 1497 NED1.0010.364014.40 
  Boss, Rob 1555 NED0.001-0.5740-22.80 
  Roskam, Rinus 1612 NED0.001-0.4940-19.60 

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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