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Player:  Jan Bosselaar  Age: 76
KNDB-rating on 1-7-2023: 1044
Highest KNDB-rating ever: 1221
Average KNDB-rating all time: 1113 
Virtual KNDB-rating : 1041 Toernooibase Dammen

Strongest win in last 10 years by
Jan Bosselaar (1067):
27-03-2018 Thomas Kuipers (1124)
(Provincial Teamcompetition Friesland)
Toernooibase Dammen Weakest loss in last 10 years by
Jan Bosselaar (1076):
29-10-2016 Rob Everts (991)
(Dutch Teamcompetition KNDB)

FMJD-rating: 1945
Highest FMJD-rating ever: 1954
Average FMJD-rating all time: 1934
(Graphics FMJD-rating in period
KNDB-rating)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 09-09-2023  Dutch Teamcompetition KNDB  Bert Honderd  1020 1-124 0.53 1.07
sa 23-09-2023  Dutch Teamcompetition KNDB  Jan Sikkens  792 1-2252 0.81 1.62
sa 14-10-2023  Dutch Teamcompetition KNDB  Harrie Vosmeijer  1094 1-0-50 0.43 0.86
th 26-10-2023  Provincial Teamcompetition Friesland  Ton Bouwkamp  646 1-2398 0.92 1.84
th 02-11-2023  Provincial Teamcompetition Friesland  Bettus de Vries  608 1-2436 0.94 1.87
sa 04-11-2023  Dutch Teamcompetition KNDB  Hermann Loots  342 1-2702 0.99 1.98
sa 18-11-2023  Dutch Teamcompetition KNDB  Ben Haan  1004 1-140 0.56 1.11
tu 21-11-2023  Provincial Teamcompetition Friesland  Tabe de Vries  844 1-1200 0.76 1.52
sa 02-12-2023  Dutch Teamcompetition KNDB  Tabe de Vries  844 1-1200 0.76 1.52
th 14-12-2023  Provincial Teamcompetition Friesland  Karel de Bruin  928 1-2116 0.66 1.32
sa 20-01-2024  Dutch Teamcompetition KNDB  Jan Peters  952 1-292 0.63 1.25
sa 03-02-2024  Dutch Teamcompetition KNDB  Mohammed Bouhanna  998 1-146 0.56 1.13
th 08-02-2024  Provincial Teamcompetition Friesland  Fokke Heidsma  881 1-1163 0.72 1.43
tu 13-02-2024  Provincial Cupcompetition Friesland  Henk Elgersma  912 1-1132 0.68 1.36
sa 17-02-2024  Dutch Teamcompetition KNDB  Bé Brakels  763 1-2281 0.84 1.67
tu 20-02-2024  Provincial Teamcompetition Friesland  Douwe Douma  939 1-1105 0.64 1.29
sa 02-03-2024  Dutch Teamcompetition KNDB  Rudolf Schwab  692 1-2352 0.89 1.78
 Total:17-2424.61
 Correctionfactor:5 (433 g.)
 Calculation:24-24.61 x5=-3.06
 Virtual rating: 1041
 Aver.rating: 839 Perc.:0.71Diff.: 155
 TPR: 839 +155 994