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Player:  Fokke Heidsma  Age: 72
KNDB-rating on 1-7-2023: 881
Highest KNDB-rating ever: 998
Average KNDB-rating all time: 947 
Virtual KNDB-rating : 879 Toernooibase Dammen

Strongest win in last 10 years by
Fokke Heidsma (953):
13-01-2016 Wim van der Molen (1083)
(Provincial Teamcompetition Friesland)
Toernooibase Dammen Weakest loss in last 10 years by
Fokke Heidsma (922):
29-02-2020 Anton de Munnik (862)
(Dutch Teamcompetition KNDB)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 14-10-2023  Dutch Teamcompetition KNDB  Bertwin Letteboer  1034 1-0-153 0.3 0.59
we 08-11-2023  Provincial Teamcompetition Friesland  Gerrit Terpstra  1077 1-1-196 0.25 0.49
tu 21-11-2023  Provincial Teamcompetition Friesland  Pieter de Vries  706 1-2175 0.73 1.46
we 13-12-2023  Provincial Teamcompetition Friesland  Johan Bosgra  677 1-2204 0.76 1.52
sa 06-01-2024  Dutch Teamcompetition KNDB  René Wijpkema  1241 1-0-360 0.1 0.21
we 10-01-2024  Provincial Teamcompetition Friesland  Engel Vrouwe  687 1-1194 0.75 1.5
th 08-02-2024  Provincial Teamcompetition Friesland  Jan Bosselaar  1044 1-1-163 0.28 0.57
tu 13-02-2024  Provincial Cupcompetition Friesland  John Folkers  1011 1-0-130 0.32 0.65
sa 17-02-2024  Dutch Teamcompetition KNDB  Marie Gabbert  999 1-0-118 0.34 0.68
we 21-02-2024  Provincial Teamcompetition Friesland  Bettus de Vries  608 1-2273 0.83 1.66
 Total:10-99.34
 Correctionfactor:5 (162 g.)
 Calculation:9-9.34 x5=-1.69
 Virtual rating: 879
 Aver.rating: 908 Perc.:0.45Diff.: -35
 TPR: 908 +-35 873