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Player:  Hielke Osinga  Age: 60
KNDB-rating on 1-7-2023: 937
Highest KNDB-rating ever: 1054
Average KNDB-rating all time: 983 
Virtual KNDB-rating : 935 Toernooibase Dammen

Strongest win in last 10 years by
Hielke Osinga (988):
09-10-2014 Bouke van der Werff (932)
(Provincial Teamcompetition Friesland)
Toernooibase Dammen Weakest loss in last 10 years by
Hielke Osinga (984):
24-11-2016 Tabe de Vries (908)
(Provincial Teamcompetition Friesland)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
th 09-11-2023  Provincial Teamcompetition Friesland  Douwe Edelenbos  1258 1-0-321 0.13 0.26
 Total:1-00.26
 Correctionfactor:7.5 (94 g.)
 Calculation:0-0.26 x7.5=-1.96
 Virtual rating: 935
 Aver.rating: 1098 Perc.:0.25Diff.: -193
 TPR: