Individual Calculations February 2020
 Lessmann, Francis  Total change: 21.40  Rating chartPersonal card
 Tata Steel Weekendvierkampen 2020 Wijk aan Zee NED 2020-01-10
RcRownchangeKK*chgGame
 2079 2062 2.50 3 1.07 20 21.40 
  Biemans-Braggaar, Leonore 2096 NED1.0010.552011.00 
  Verkooyen, Frank 1999 NED1.0010.41208.20 
  Thakoerdien, Jerrel 2142 NED0.5010.11202.20 

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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