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Player:  Piet Jonkers  Age: 85
KNDB-rating on 1-7-2023: 763
Highest KNDB-rating ever: 913
Average KNDB-rating all time: 824 
Virtual KNDB-rating : 0 Toernooibase Dammen

Strongest win in last 10 years by
Piet Jonkers (772):
11-11-2017 Jouke Hottinga (1031)
(Dutch Teamcompetition KNDB)
Toernooibase Dammen Weakest loss in last 10 years by
Piet Jonkers (810):
21-02-2015 Jelle van Dijk (563)
(Dutch Teamcompetition KNDB)

FMJD-rating: 1804
Highest FMJD-rating ever: 2100
Average FMJD-rating all time: 1839
(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: