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Player:  Joop de Graaf  Age: 61
KNDB-rating on 1-7-2023: 796
Highest KNDB-rating ever: 910
Average KNDB-rating all time: 838 
Virtual KNDB-rating : 802 Toernooibase Dammen

Strongest win in last 10 years by
Joop de Graaf (817):
11-07-2022 Sietse Nagel (1119)
(Summerweek DCH Heerenveen - Mildam)
Toernooibase Dammen Weakest loss in last 10 years by
Joop de Graaf (861):
18-08-2017 Albert Hendrik Snijder (555)
(MTB Open International Tournament Hoogeveen Drenthe)

FMJD-rating: 1832
Highest FMJD-rating ever: 1900
Average FMJD-rating all time: 1866
(Graphics FMJD-rating in period
KNDB-rating)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
mo 08-05-2023  Summertournament Friesland  Klaas Mondria  821 1-2-25 0.47 0.93
tu 16-05-2023  Summertournament Friesland  Tabe de Vries  844 1-1-48 0.43 0.87
mo 22-05-2023  Summertournament Friesland  Piet Wiersma  859 1-0-63 0.41 0.83
tu 30-05-2023  Summertournament Friesland  Wim Riddersma  877 1-2-81 0.39 0.78
mo 05-06-2023  Summertournament Friesland  Geert Rozenberg  860 1-0-64 0.41 0.82
mo 19-06-2023  Summertournament Friesland  Sjouke Zijlstra  773 1-123 0.53 1.06
tu 27-06-2023  Summertournament Friesland  Gerard Weinans  712 1-184 0.62 1.23
mo 03-07-2023  Summerdraughtsweek DCH Heerenveen - Mildam  Johan Tuenter  944 1-2-148 0.3 0.6
mo 03-07-2023  Summerdraughtsweek DCH Heerenveen - Mildam  Ton Halman  679 1-2117 0.66 1.32
tu 04-07-2023  Summerdraughtsweek DCH Heerenveen - Mildam  Tjalling van den Bosch  1168 1-0-372 0.1 0.19
tu 04-07-2023  Summerdraughtsweek DCH Heerenveen - Mildam  Martin Boersbroek  994 1-1-198 0.24 0.49
we 05-07-2023  Summerdraughtsweek DCH Heerenveen - Mildam  Eibert Smit  951 1-0-155 0.29 0.59
we 05-07-2023  Summerdraughtsweek DCH Heerenveen - Mildam  Klaas Mondria  821 1-1-25 0.47 0.93
th 06-07-2023  Summerdraughtsweek DCH Heerenveen - Mildam  Raoul Alias  1121 1-0-325 0.13 0.26
th 06-07-2023  Summerdraughtsweek DCH Heerenveen - Mildam  Aart de Bruyn  1007 1-0-211 0.23 0.46
fr 07-07-2023  Summerdraughtsweek DCH Heerenveen - Mildam  Haykaram Zhamkochyam  399 1-2397 0.92 1.84
sa 09-09-2023  Dutch Teamcompetition KNDB  Pieter Dijkstra  972 1-0-176 0.27 0.54
 Total:17-1513.73
 Correctionfactor:5 (464 g.)
 Calculation:15-13.73 x5=6.36
 Virtual rating: 802
 Aver.rating: 871 Perc.:0.44Diff.: -42
 TPR: 871 +-42 829