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Player: Jacob Poortinga Age: 68 KNDB-rating on 1-7-2023: 1065 Highest KNDB-rating ever: 1148 Average KNDB-rating all time: 1096 Virtual KNDB-rating : 0 Strongest win in last 10 years by Jacob Poortinga (1064): 20-09-2014 Wim van der Molen (1075) (Dutch Teamcompetition KNDB) Jacob Poortinga (1079): 05-10-2015 Sietse Jonker (900) (Provincial Teamcompetition Friesland) FMJD-rating: 1943 Highest FMJD-rating ever: 1943 Average FMJD-rating all time: 1941 (Graphics FMJD-rating in period KNDB-rating) Highest Historical Toernooibaserating on 01-01-1997: 1106 D |