Individual Calculations December 2019
 Koelmans, Jan Willem  Total change: -2.60  Rating chartPersonal card
 Dutch Team Competition 2019-2020 Klasse 3E Round 2 various NED 2019-11-02
RcRownchangeKK*chgGame
 1963 1927 0.50 1 0.05 20 1.00 
  Harmanus, Norbert 1963 NED0.5010.05201.00 

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)
 
 Dutch Team Competition 2019-2020 Klasse 3E Round 3 various NED 2019-11-23
RcRownchangeKK*chgGame
 2194 1927 0.00 1 -0.18 20 -3.60 
  Schrik, Rachid c2194 NED0.001-0.1820-3.60 

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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