Games played by Derek JE Harris
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Harris, D | Kamuhangire, S | 0-1  |
64 | D37 | 1982 | Luzern ol (Men) |
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| McNab, C | 2360 | Harris, D | 1-0 |
25 | A10 | 1982 | Luzern ol (Men) |
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| Jhunjhnuwala, R | 2200 | Harris, D | 2200 | 1-0 |
59 | B58 | 1978 | Buenos Aires ol (Men) |
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| Catlan, T | 2200 | Harris, D | 2200 | 1-0 |
47 | A42 | 1978 | Buenos Aires ol (Men) |
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| Larsen, H | 2200 | Harris, D | 2200 | 1-0 |
40 | B54 | 1978 | Buenos Aires ol (Men) |
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| Harris, D | 2200 | Al Mallah, S | 2200 | ½-½ |
33 | B23 | 1978 | Buenos Aires ol (Men) |
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| Harris, D | 2200 | Arbouche, M | 2200 | 0-1 |
29 | B23 | 1978 | Buenos Aires ol (Men) |
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| Harris, D | 2200 | Merali, K | 2200 | 1-0 |
50 | B07 | 1978 | Buenos Aires ol (Men) |
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| Harris, D | 2200 | Pickering, H | 2200 | 1-0 |
66 | B07 | 1978 | Buenos Aires ol (Men) |
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| Harris, D | 2200 | Ogaard, L | 2435 | 0-1 |
23 | B45 | 1978 | Buenos Aires ol (Men) |
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| Al Kaitoob, A | 2200 | Harris, D | 2200 | 0-1 |
37 | B33 | 1978 | Buenos Aires ol (Men) |
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