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 Player: Ton Sijbrands Age: 74 KNDB-rating on 1-7-2023: 0 Highest KNDB-rating ever: 1644 Average KNDB-rating all time: 1610 Virtual KNDB-rating : 0 FMJD-rating: 2476 Highest FMJD-rating ever: 2476 Average FMJD-rating all time: 2467 (Graphics FMJD-rating in period KNDB-rating)  Highest Historical Toernooibaserating on 01-01-1975: 1749 D |