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Player:  Bertus Groot  Age: 78
KNDB-rating on 1-7-2023: 938
Highest KNDB-rating ever: 1010
Average KNDB-rating all time: 941 
Virtual KNDB-rating : 932 Toernooibase Dammen

Strongest win in last 10 years by
Bertus Groot (909):
16-03-2017 Ed van der Vlies (1097)
(Provincial Clubcompetition Noord-Holland)
Toernooibase Dammen Weakest loss in last 10 years by
Bertus Groot (953):
19-10-2019 Ron de Vaal (784)
(Dutch Teamcompetition KNDB)

FMJD-rating: 1965
Highest FMJD-rating ever: 1978
Average FMJD-rating all time: 1961
(Graphics FMJD-rating in period
KNDB-rating)


 Highest Historical
Toernooibaserating on 01-01-1983:  1158 D
     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 23-09-2023  Dutch Teamcompetition KNDB  Mari Dame  1053 1-1-115 0.34 0.69
sa 14-10-2023  Dutch Teamcompetition KNDB  Wynton Meijer  800 1-1138 0.69 1.37
sa 04-11-2023  Dutch Teamcompetition KNDB  Alexander Zwanenburg  861 1-177 0.61 1.21
fr 10-11-2023  Provincial Teamcompetition Noord-Holland  Fred Voorn  1034 1-2-96 0.37 0.74
sa 18-11-2023  Dutch Teamcompetition KNDB  Bram Kole jr.  994 1-1-56 0.42 0.84
sa 02-12-2023  Dutch Teamcompetition KNDB  Nico Groenendijk  944 1-1-6 0.49 0.98
th 14-12-2023  Provincial Teamcompetition Noord-Holland  Cees van der Vlis  1069 1-0-131 0.32 0.65
sa 06-01-2024  Dutch Teamcompetition KNDB  Clemens Crucius  1052 1-0-114 0.34 0.69
sa 20-01-2024  Dutch Teamcompetition KNDB  Frans Elzenga  924 1-214 0.52 1.04
tu 30-01-2024  Provincial Teamcompetition Noord-Holland  Johan Veerman  1070 1-0-132 0.32 0.64
sa 03-02-2024  Dutch Teamcompetition KNDB  Maaike de Bruin  776 1-0162 0.71 1.43
th 15-02-2024  Provincial Teamcompetition Noord-Holland  Rajiv Balradj  1065 1-0-127 0.33 0.66
mo 04-03-2024  Provincial Teamcompetition Noord-Holland  Rob van de Klashorst  884 1-254 0.57 1.15
th 21-03-2024  Provincial Teamcompetition Noord-Holland  Schelte Betten  876 1-162 0.59 1.17
 Total:14-1213.26
 Correctionfactor:5 (303 g.)
 Calculation:12-13.26 x5=-6.31
 Virtual rating: 932
 Aver.rating: 957 Perc.:0.43Diff.: -51
 TPR: 957 +-51 906