| Name: | Theodor De Jong |
| Federation: |  |
| Years: | 1941 - 1947 |
| Total Games: | 8 |
| Wins: | 1 (12.5 %) |
| Draws: | 1 (12.5 %) |
| Losses: | 6 (75 %) |
| Score: | 18.75 % |
| Tournament | Date | Elo Avg. | Country |
| Baarn-C | 05/09/1947 | 0 |  Netherlands |
| Baarn | 05/??/1941 | 0 | Netherlands |
| ECO | Opening | Games |
| E94 | King's Indian, orthodox variation | 1 games |
| ECO | Opening | Games |
| D34 | Queen's Gambit Declined, Tarrasch, Prague variation, 7...Be7 | 1 games |
| B02 | Alekhine's defence | 1 games |
| E37 | Nimzo-Indian, classical, Noa variation, main line, 7.Qc2 | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Henneberke, F | De Jong, T | 1-0  |
26 | D34 | 1947 | Baarn-C |
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| De Jong, T | Bergsma, K | 0-1 |
40 | E94 | 1941 | Baarn |
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| De Jong, T | Kramer, H | ½-½ |
1941 | Baarn |
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| De Jong, T | Euwe, M | 0-1 |
1941 | Baarn |
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| Kmoch, H | De Jong, T | 1-0 |
1941 | Baarn |
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| Koomen, W | De Jong, T | 1-0 |
30 | E37 | 1941 | Baarn |
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| Van Doesburgh, G | De Jong, T | 0-1 |
1941 | Baarn |
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| Van den Bosch, J | De Jong, T | 1-0 |
25 | B02 | 1941 | Baarn |
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