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Player:  Harmen Jonker  Age: 28
KNDB-rating on 1-7-2023: 999
Highest KNDB-rating ever: 1007
Average KNDB-rating all time: 939 
Virtual KNDB-rating : 0 Toernooibase Dammen

Strongest win in last 10 years by
Harmen Jonker (996):
17-02-2018 Harry Beekman (1083)
(Dutch Teamcompetition KNDB)
Toernooibase Dammen Weakest loss in last 10 years by
Harmen Jonker (1000):
04-03-2016 Sieds Tjepkema (948)
(Provincial Teamcompetition Friesland)

FMJD-rating: 1985
Highest FMJD-rating ever: 2023
Average FMJD-rating all time: 2003
(Graphics FMJD-rating in period
KNDB-rating)
     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
 Correctionfactor:7.5 ( g.)
 Calculation:-0 x7.5=0
 Virtual rating: 0
 Aver.rating: 0 Perc.:0.5Diff.: 0
 TPR: