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![]() Player: Gerben Tjeerdsma KNDB-rating on 1-7-2023: 770 Highest KNDB-rating ever: 802 Average KNDB-rating all time: 774 Virtual KNDB-rating : 0 Strongest win in last 10 years by Gerben Tjeerdsma (769): 23-02-2018 Henk Jonker (1074) (Provincial Teamcompetition Friesland) Gerben Tjeerdsma (779): 10-10-2016 Zwaantje van der Werff (723) (Provincial Teamcompetition Friesland) |