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Player:  Siep Hamster  Age: 81
KNDB-rating on 1-7-2023: 952
Highest KNDB-rating ever: 1059
Average KNDB-rating all time: 997 
Virtual KNDB-rating : 1000 Toernooibase Dammen

Strongest win in last 10 years by
Siep Hamster (952):
22-03-2024 Wiebren de Vries (1022)
(Clubcompetition DC Dronten)
Toernooibase Dammen Weakest loss in last 10 years by
Siep Hamster (992):
18-11-2014 Niels van Ginkel (595)
(Provincial Teamcompetition Overijssel)		     
DateTournamentOpponentRatGaPtR.diff.N.percN.pts
th 31-08-2023  Clubcompetition DC Dronten  Wim Broekman  966 1-2-14 0.48 0.96
th 07-09-2023  Clubcompetition DC Dronten  Gabi Maduro  972 1-0-20 0.47 0.94
fr 15-09-2023  Clubcompetition DC Dronten  Nico Maduro  842 1-1110 0.65 1.3
th 21-09-2023  Clubcompetition DC Dronten  Willem de Zwijger  831 1-2121 0.66 1.33
th 28-09-2023  Clubcompetition DC Dronten  Aart Hanekamp  705 1-2247 0.81 1.61
fr 06-10-2023  Clubcompetition DC Dronten  Douwe Walta  671 1-2281 0.84 1.67
fr 20-10-2023  Clubcompetition DC Dronten  Wiebren de Vries  1022 1-1-70 0.4 0.81
th 26-10-2023  Clubcompetition DC Dronten  Anne Bouwer  782 1-1170 0.72 1.45
fr 03-11-2023  Clubcompetition DC Dronten  Hennie de Ruijter  954 1-2-2 0.5 0.99
th 09-11-2023  Provincial Teamcompetition Overijssel  Henk Kamminga  998 1-1-46 0.44 0.87
fr 24-11-2023  Clubcompetition DC Dronten  Joop Kip  1010 1-2-58 0.42 0.84
fr 01-12-2023  Clubcompetition DC Dronten  Paul Kruik  742 1-2210 0.77 1.54
fr 08-12-2023  Clubcompetition DC Dronten  Hennie de Ruijter  954 1-2-2 0.5 0.99
th 28-12-2023  Clubcompetition DC Dronten  Willem de Zwijger  831 1-2121 0.66 1.33
th 04-01-2024  Clubcompetition DC Dronten  Gabi Maduro  972 1-1-20 0.47 0.94
th 11-01-2024  Clubcompetition DC Dronten  Paul Kruik  742 1-2210 0.77 1.54
th 18-01-2024  Clubcompetition DC Dronten  Wiebren de Vries  1022 1-0-70 0.4 0.81
tu 23-01-2024  Provincial Teamcompetition Overijssel  Arie Heikoop  936 1-016 0.52 1.04
th 25-01-2024  Clubcompetition DC Dronten  Bert Schoonhoven  782 1-2170 0.72 1.45
mo 29-01-2024  Provincial Teamcompetition Overijssel  Henk van Renselaar  978 1-2-26 0.46 0.93
fr 02-02-2024  Clubcompetition DC Dronten  Joop Kip  1010 1-1-58 0.42 0.84
th 15-02-2024  Provincial Teamcompetition Overijssel  Erik Bakker  1071 1-1-119 0.34 0.68
fr 23-02-2024  Clubcompetition DC Dronten  Aart Hanekamp  705 1-2247 0.81 1.61
fr 01-03-2024  Clubcompetition DC Dronten  Nico Maduro  842 1-2110 0.65 1.3
fr 08-03-2024  Clubcompetition DC Dronten  Anne Bouwer  782 1-2170 0.72 1.45
tu 12-03-2024  Provincial Teamcompetition Overijssel  Jan van de Veen  1139 1-0-187 0.26 0.51
fr 22-03-2024  Clubcompetition DC Dronten  Wiebren de Vries  1022 1-2-70 0.4 0.81
fr 05-04-2024  Clubcompetition DC Dronten  Douwe Walta  671 1-2281 0.84 1.67
fr 12-04-2024  Clubcompetition DC Dronten  Hennie de Ruijter  954 1-2-2 0.5 0.99
fr 19-04-2024  Clubcompetition DC Dronten  Nico Maduro  842 1-0110 0.65 1.3
fr 26-04-2024  Clubcompetition DC Dronten  Gabi Maduro  972 1-2-20 0.47 0.94
 Total:31-4535.46
 Correctionfactor:5 (177 g.)
 Calculation:45-35.46 x5=47.71
 Virtual rating: 1000
 Aver.rating: 894 Perc.:0.73Diff.: 171
 TPR: 894 +171 1065