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Player:  Gertjan Kolsté  Age: 49
KNDB-rating on 1-7-2023: 1213
Highest KNDB-rating ever: 1238
Average KNDB-rating all time: 1202 
Virtual KNDB-rating : 1215 Toernooibase Dammen

Strongest win in last 10 years by
Gertjan Kolsté (1215):
31-10-2015 Eric van Sonderen (1267)
(Dutch Teamcompetition KNDB)
Toernooibase Dammen Weakest loss in last 10 years by
Gertjan Kolsté (1229):
28-05-2015 Berke Yigittürk (976)
(Salou Open Buitenland)

FMJD-rating: 2087
Highest FMJD-rating ever: 2110
Average FMJD-rating all time: 2079
(Graphics FMJD-rating in period
KNDB-rating)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
sa 09-09-2023  Dutch Teamcompetition KNDB  Cor Westerveld  1190 1-223 0.53 1.06
sa 23-09-2023  Dutch Teamcompetition KNDB  Albert Lusink  1134 1-279 0.61 1.22
sa 14-10-2023  Dutch Teamcompetition KNDB  Wiebren de Vries  1022 1-2191 0.75 1.5
sa 04-11-2023  Dutch Teamcompetition KNDB  Frank Jansen  1027 1-2186 0.74 1.48
sa 18-11-2023  Dutch Teamcompetition KNDB  Hans Luchies  914 1-2299 0.85 1.7
sa 02-12-2023  Dutch Teamcompetition KNDB  Johan van Aalderen  1100 1-1113 0.65 1.31
sa 06-01-2024  Dutch Teamcompetition KNDB  Linze Houwink  1145 1-268 0.59 1.19
sa 20-01-2024  Dutch Teamcompetition KNDB  Raphaël Zdoroviak  1145 1-168 0.59 1.19
sa 03-02-2024  Dutch Teamcompetition KNDB  Oscar Veltman  1144 1-169 0.6 1.19
sa 17-02-2024  Dutch Teamcompetition KNDB  Erwin Heslinga  1291 1-0-78 0.39 0.78
sa 02-03-2024  Dutch Teamcompetition KNDB  Jouke de Haan  1065 1-0148 0.7 1.4
sa 16-03-2024  Dutch Teamcompetition KNDB  Piet Schep  974 1-1239 0.8 1.6
 Total:12-1615.62
 Correctionfactor:5 (450 g.)
 Calculation:16-15.62 x5=1.90
 Virtual rating: 1215
 Aver.rating: 1096 Perc.:0.67Diff.: 123
 TPR: 1096 +123 1219