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Player:  Jan Dekker  Age: 72
KNDB-rating on 1-7-2023: 906
Highest KNDB-rating ever: 951
Average KNDB-rating all time: 919 
Virtual KNDB-rating : 909 Toernooibase Dammen

Strongest win in last 10 years by
Jan Dekker (903):
01-10-2022 Gerrit Bosch (995)
(Dutch Teamcompetition KNDB)
Toernooibase Dammen Weakest loss in last 10 years by
Jan Dekker (902):
07-01-2019 Chiel Overvoorde (722)
(Provincial Teamcompetition Zuid-Holland)

FMJD-rating: 1871
Highest FMJD-rating ever: 0
Average FMJD-rating all time: NAN
(Graphics FMJD-rating in period
KNDB-rating)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 09-09-2023  Dutch Teamcompetition KNDB  Hans Zondervan  1253 1-0-347 0.11 0.22
sa 23-09-2023  Dutch Teamcompetition KNDB  Jannes de Vries  953 1-1-47 0.43 0.87
sa 04-11-2023  Dutch Teamcompetition KNDB  Harry Beekman  1056 1-0-150 0.3 0.6
sa 18-11-2023  Dutch Teamcompetition KNDB  Bert Zijlstra  1042 1-0-136 0.32 0.63
sa 02-12-2023  Dutch Teamcompetition KNDB  Anton Jurg  1182 1-1-276 0.17 0.33
sa 06-01-2024  Dutch Teamcompetition KNDB  Ferdinand de Grijs  710 1-2196 0.75 1.51
sa 20-01-2024  Dutch Teamcompetition KNDB  Arie Heikoop  936 1-1-30 0.46 0.92
sa 03-02-2024  Dutch Teamcompetition KNDB  Dirk Albert Zijlstra  1138 1-1-232 0.21 0.42
sa 17-02-2024  Dutch Teamcompetition KNDB  Juri Geisenblas  1145 1-0-239 0.2 0.4
sa 02-03-2024  Dutch Teamcompetition KNDB  Tjipke Smedinga  1188 1-1-282 0.16 0.32
sa 16-03-2024  Dutch Teamcompetition KNDB  Soenarmin Saib  770 1-1136 0.68 1.37
 Total:11-87.59
 Correctionfactor:7.5 (44 g.)
 Calculation:8-7.59 x7.5=3.04
 Virtual rating: 909
 Aver.rating: 1034 Perc.:0.36Diff.: -100
 TPR: 1034 +-100 934