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Player:  Jacob Okken  Age: 63
KNDB-rating on 1-7-2023: 1358
Highest KNDB-rating ever: 1430
Average KNDB-rating all time: 1389 
Virtual KNDB-rating : 1357 Toernooibase Dammen

Strongest win in last 10 years by
Jacob Okken (1366):
16-12-2017 Jasper Lemmen (1477)
(Dutch Teamcompetition KNDB)
Toernooibase Dammen Weakest loss in last 10 years by
Jacob Okken (1358):
23-09-2023 Peter Boonstra (1214)
(Dutch Teamcompetition KNDB)

FMJD-rating: 2221
Highest FMJD-rating ever: 2290
Average FMJD-rating all time: 2243
(Graphics FMJD-rating in period
KNDB-rating)

 Highest Historical
Toernooibaserating on 01-01-2003:  1399 D
     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 09-09-2023  Dutch Teamcompetition KNDB  Jan Willem Hoeve  1163 1-1195 0.75 1.51
sa 23-09-2023  Dutch Teamcompetition KNDB  Peter Boonstra  1214 1-0144 0.69 1.39
sa 30-09-2023  Dutch Teamcompetition KNDB  Nicole de Vries  1141 1-1217 0.78 1.55
sa 14-10-2023  Dutch Teamcompetition KNDB  Rein van der Pal  1424 1-1-66 0.41 0.82
sa 18-11-2023  Dutch Teamcompetition KNDB  Robert-Jan van Steenbergen  1122 1-2236 0.8 1.59
sa 02-12-2023  Dutch Teamcompetition KNDB  Theo Berends  1237 1-1121 0.66 1.33
sa 06-01-2024  Dutch Teamcompetition KNDB  Gerrit de Bruijn  1227 1-2131 0.68 1.35
sa 03-02-2024  Dutch Teamcompetition KNDB  Gil Salomé  1375 1-1-17 0.48 0.95
sa 17-02-2024  Dutch Teamcompetition KNDB  Rienk van Marle  1316 1-142 0.56 1.12
sa 02-03-2024  Dutch Teamcompetition KNDB  Laura Timmerman  1235 1-1123 0.67 1.33
sa 20-04-2024  World Cup *** Flevoland Open KNDB  Alex Poliakov  943 1-2415 0.93 1.85
su 21-04-2024  World Cup *** Flevoland Open KNDB  Peter van der Stap  1242 1-2116 0.66 1.32
mo 22-04-2024  World Cup *** Flevoland Open KNDB  Wouter Sipma  1524 1-1-166 0.28 0.56
tu 23-04-2024  World Cup *** Flevoland Open KNDB  Guntis Valneris  1520 1-1-162 0.29 0.57
tu 23-04-2024  World Cup *** Flevoland Open KNDB  Ivo de Jong  1341 1-117 0.52 1.05
we 24-04-2024  World Cup *** Flevoland Open KNDB  Jos Stokkel  1368 1-1-10 0.49 0.97
 Total:16-1919.26
 Correctionfactor:5 (682 g.)
 Calculation:19-19.26 x5=-1.28
 Virtual rating: 1357
 Aver.rating: 1275 Perc.:0.59Diff.: 68
 TPR: 1275 +68 1343