Individual Calculations June 2019
 Jap Tjoen San, Linda  Total change: 2.00  Rating chartPersonal card
 Dutch Team Competition 2018-2019 Klasse 3D Round 9 various NED 2019-05-11
 2122 2048 0.50 1 0.10 20 2.00 
  Abcouwer, Jan-Bart 2122 NED0.5010.10202.00 

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)


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