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Player:  Jan von Kann  Age: 76
KNDB-rating on 1-7-2023: 634
Highest KNDB-rating ever: 654
Average KNDB-rating all time: 641 
Virtual KNDB-rating : 630 Toernooibase Dammen

Strongest win in last 10 years by
Jan von Kann (648):
13-12-2018 Bernard Renting (932)
(Provincial Teamcompetition Gelderland)
Toernooibase Dammen Weakest loss in last 10 years by
Jan von Kann (654):
12-11-2019 Henk Koskamp (639)
(Provincial Teamcompetition Gelderland)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
tu 24-10-2023  Provincial Teamcompetition Gelderland  Henk Straalman  670 1-0-36 0.45 0.9
 Total:1-00.9
 Correctionfactor:5 (164 g.)
 Calculation:0-0.9 x5=-4.49
 Virtual rating: 630
 Aver.rating: 652 Perc.:0.25Diff.: -193
 TPR: