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Player:  Jan Kerkhofs  Age: 80
KNDB-rating on 1-7-2023: 914
Highest KNDB-rating ever: 1056
Average KNDB-rating all time: 970 
Virtual KNDB-rating : 906 Toernooibase Dammen

Strongest win in last 10 years by
Jan Kerkhofs (985):
19-01-2019 Arie de Bruijn (1229)
(Dutch Teamcompetition KNDB)
Toernooibase Dammen Weakest loss in last 10 years by
Jan Kerkhofs (947):
07-08-2021 Gregory de Vries (565)
(Brunssum Open Limburg)

FMJD-rating: 1885
Highest FMJD-rating ever: 1965
Average FMJD-rating all time: 1923
(Graphics FMJD-rating in period
KNDB-rating)

 Highest Historical
Toernooibaserating on 01-01-1977:  1216 D
     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 09-09-2023  Dutch Teamcompetition KNDB  Paul van der Lem  1176 1-1-262 0.18 0.36
sa 18-11-2023  Dutch Teamcompetition KNDB  Fred Roedolph  1158 1-0-244 0.2 0.39
sa 17-02-2024  Dutch Teamcompetition KNDB  Steven den Hollander  1285 1-0-371 0.1 0.19
mo 20-05-2024  Salou Open Buitenland  Harry Velraeds  1106 1-0-192 0.25 0.5
tu 21-05-2024  Salou Open Buitenland  Raphaël Martens  1111 1-1-197 0.25 0.49
we 22-05-2024  Salou Open Buitenland  Bert Habets  1128 1-1-214 0.23 0.45
sa 25-05-2024  Salou Open Buitenland  Thomas Henriquez  948 1-0-34 0.45 0.9
su 26-05-2024  Salou Open Buitenland  Theo van Wissen  835 1-079 0.61 1.22
 Total:8-34.51
 Correctionfactor:5 (429 g.)
 Calculation:3-4.51 x5=-7.57
 Virtual rating: 906
 Aver.rating: 1093 Perc.:0.19Diff.: -253
 TPR: