Individual Calculations January 2020
 Jap Tjoen San, Linda  Total change: 7.20  Rating chartPersonal card
 Dutch Team Competition 2019-2020 Klasse 3E Round 4 various NED 2019-12-14
 1933 2035 1.00 1 0.36 20 7.20 
  Krop, Henri 1933 NED1.0010.36207.20 

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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