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| Player: Derk Jan de Groot |  |
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| Participant in the following teamtournaments: | Score * | ||||
| Provincial Teamcompetition Zuid-Holland 2023/2024 | 9 | - | 12 | D | F |
| Dutch Teamcompetition KNDB 2023/2024 | 9 | - | 6 | D | F |
| Dutch Teamcompetition KNDB 2022/2023 | 8 | - | 7 | D | F |
| Provincial Teamcompetition Zuid-Holland 2022/2023 | 5 | - | 6 | D | F |
| Dutch Teamcompetition KNDB 1983 | 2 | - | 3 | D | F |
| Dutch Teamcompetition KNDB 1982 | 2 | - | 2 | D | F |
| Dutch Teamcompetition KNDB 1981 | 9 | - | 10 | D | F |
| Dutch Teamcompetition KNDB 1980 | 8 | - | 10 | D | F |
| Match Belgium - Netherlands Belgie 1980 | 1 | - | 2 | D | F |
| Dutch Teamcompetition KNDB 1979 | 9 | - | 10 | D | F |
| Dutch Teamcompetition KNDB 1978 | 9 | - | 14 | D | F |
| Dutch Teamcompetition KNDB 1977 | 9 | - | 6 | D | F |
| Dutch Teamcompetition KNDB 1976 | 9 | - | 7 | D | F |
| Match Netherlands - Belgium KNDB 1975 | 1 | - | 1 | D | F |
| Total score: | 90 | - | 96 | ||
| * Scores based on registrated games in Toernooibase | |||||