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Player:  Jan de Ruiter  Age: 65
KNDB-rating on 1-7-2023: 1207
Highest KNDB-rating ever: 1243
Average KNDB-rating all time: 1200 
Virtual KNDB-rating : 1201 Toernooibase Dammen

Strongest win in last 10 years by
Jan de Ruiter (1207):
05-12-2023 Richard Cousijnsen (1278)
(Provincial Teamcompetition Utrecht)
Toernooibase Dammen Weakest loss in last 10 years by
Jan de Ruiter (1207):
06-01-2024 Bert van Oosterom (1060)
(Dutch Teamcompetition KNDB)

FMJD-rating: 2084
Highest FMJD-rating ever: 2156
Average FMJD-rating all time: 2114
(Graphics FMJD-rating in period
KNDB-rating)

 Highest Historical
Toernooibaserating on 01-01-1990:  1220 D
     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 09-09-2023  Dutch Teamcompetition KNDB  Peter Boonstra  1214 1-0-7 0.49 0.98
sa 23-09-2023  Dutch Teamcompetition KNDB  Piet Bouma  1196 1-011 0.52 1.03
mo 09-10-2023  Provincial Teamcompetition Utrecht  Wouter Ludwig  1414 1-0-207 0.23 0.47
sa 14-10-2023  Dutch Teamcompetition KNDB  Joop Wind  1105 1-1102 0.64 1.28
sa 04-11-2023  Dutch Teamcompetition KNDB  Gerben van Steenbergen  1210 1-1-3 0.5 0.99
tu 07-11-2023  Provincial Teamcompetition Utrecht  Dirk Bijkerk  976 1-1231 0.79 1.58
sa 18-11-2023  Dutch Teamcompetition KNDB  Jan van Loenen Jr.  1268 1-1-61 0.42 0.83
sa 02-12-2023  Dutch Teamcompetition KNDB  Bert Dollekamp  1165 1-242 0.56 1.12
tu 05-12-2023  Provincial Teamcompetition Utrecht  Richard Cousijnsen  1278 1-2-71 0.4 0.8
sa 06-01-2024  Dutch Teamcompetition KNDB  Bert van Oosterom  1060 1-0147 0.7 1.39
sa 20-01-2024  Dutch Teamcompetition KNDB  Karlijn Overes  1181 1-226 0.54 1.07
sa 03-02-2024  Dutch Teamcompetition KNDB  Harrie Hoonhorst  1033 1-1174 0.73 1.46
sa 17-02-2024  Dutch Teamcompetition KNDB  Johan Top  1163 1-244 0.56 1.12
sa 02-03-2024  Dutch Teamcompetition KNDB  Gerwin van der Meer  1203 1-14 0.51 1.01
 Total:14-1415.14
 Correctionfactor:5 (413 g.)
 Calculation:14-15.14 x5=-5.70
 Virtual rating: 1201
 Aver.rating: 1176 Perc.:0.5Diff.: 0
 TPR: 1176 +0 1176