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Player:  Herk Vis  Age: 73
KNDB-rating on 1-7-2023: 891
Highest KNDB-rating ever: 969
Average KNDB-rating all time: 928 
Virtual KNDB-rating : 876 Toernooibase Dammen

Strongest win in last 10 years by
Herk Vis (922):
07-08-2021 Bert Woolschot (1167)
(Brunssum Open Limburg)
Toernooibase Dammen Weakest loss in last 10 years by
Herk Vis (940):
08-05-2018 Rob Smits (855)
(Open Delfland DOS Delft)

FMJD-rating: 1928
Highest FMJD-rating ever: 1979
Average FMJD-rating all time: 1964
(Graphics FMJD-rating in period
KNDB-rating)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 09-09-2023  Dutch Teamcompetition KNDB  Stef Kuipers  621 1-1270 0.83 1.66
sa 23-09-2023  Dutch Teamcompetition KNDB  Arie te Lindert  932 1-1-41 0.44 0.89
sa 14-10-2023  Dutch Teamcompetition KNDB  Leo Kool  690 1-1201 0.76 1.52
sa 18-11-2023  Dutch Teamcompetition KNDB  Indy Schouten  522 1-2369 0.9 1.8
sa 02-12-2023  Dutch Teamcompetition KNDB  Emy van den Berg  746 1-1145 0.69 1.39
sa 06-01-2024  Dutch Teamcompetition KNDB  Sven Schakel  643 1-1248 0.81 1.61
sa 03-02-2024  Dutch Teamcompetition KNDB  Wim IJsselstein  836 1-155 0.58 1.15
sa 17-02-2024  Dutch Teamcompetition KNDB  Sjoerd van Hettema  826 1-065 0.59 1.18
sa 02-03-2024  Dutch Teamcompetition KNDB  Menno van Delft  434 1-2457 0.95 1.89
 Total:9-1013.09
 Correctionfactor:5 (304 g.)
 Calculation:10-13.09 x5=-15.44
 Virtual rating: 876
 Aver.rating: 694 Perc.:0.56Diff.: 40
 TPR: