Individual Calculations October 2018
 Jap Tjoen San, Linda  Total change: 8.40  Rating chartPersonal card
 Dutch Team Competition 2018-2019 Klasse 3D Round 1 various NED 2018-09-15
 2021 2078 1.00 1 0.42 20 8.40 
  Bulthuis, Jelle 2021 NED1.0010.42208.40 

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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