Individual Calculations February 2023
 Smit, Maarten  Total change: -11.80  Rating chartPersonal card
 Tata Steel dagvierkampen 2023 Wijk aan Zee NED 2023-01-16
RcRownchangeKK*chgGame
 2025 2047 1.00 3 -0.59 20 -11.80 
  Vistisen, Lars c2064 DEN1.0010.522010.40 
  Brouwer, Timon 2103 NED0.001-0.4220-8.40 
  Van Diermen, Arie 1908 NED0.001-0.6920-13.80 

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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