| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. H de Melo Lux vs T Baron |
| 0-1 | 33 | 2017 | Rishon Lezion Winter IM | B22 Sicilian, Alapin |
| 2. Niemann vs H de Melo Lux |
 | 1-0 | 30 | 2018 | 46th Annual World Open | B43 Sicilian, Kan, 5.Nc3 |
| 3. S Homa vs H de Melo Lux |
| ½-½ | 44 | 2018 | 46th Annual World Open | A21 English |
| 4. H de Melo Lux vs A Manoeuvre |
| 0-1 | 38 | 2019 | 94th ch-Paris IdF | B76 Sicilian, Dragon, Yugoslav Attack |
| 5. G Philippe vs H de Melo Lux |
| 1-0 | 39 | 2019 | 94th ch-Paris IdF | A02 Bird's Opening |
| 6. R Dutreuil vs H de Melo Lux |
| 1-0 | 40 | 2019 | 94th ch-Paris IdF | A01 Nimzovich-Larsen Attack |
| 7. H de Melo Lux vs T O'Sullivan |
| ½-½ | 42 | 2019 | 94th ch-Paris IdF | B23 Sicilian, Closed |
| 8. M Cotonnec vs H de Melo Lux |
| ½-½ | 60 | 2019 | 94th ch-Paris IdF | B41 Sicilian, Kan |
| 9. H de Melo Lux vs R Verstraeten |
| 1-0 | 37 | 2019 | 94th ch-Paris IdF | B23 Sicilian, Closed |
| 10. K Akshat vs H de Melo Lux |
| ½-½ | 24 | 2019 | 94th ch-Paris IdF | E32 Nimzo-Indian, Classical |
| 11. H de Melo Lux vs L Sanchez |
| 1-0 | 40 | 2019 | 94th ch-Paris IdF | C42 Petrov Defense |
| 12. F Guilleux vs H de Melo Lux |
| ½-½ | 33 | 2019 | 94th ch-Paris IdF | A04 Reti Opening |
| 13. H de Melo Lux vs M Markovic |
| 1-0 | 26 | 2021 | Rujna Zora-2 IM | B06 Robatsch |
| 14. M Markovic vs H de Melo Lux |
| ½-½ | 10 | 2021 | Rujna Zora-3 IM | C01 French, Exchange |
| 15. H de Melo Lux vs J Lundin |
| 1-0 | 40 | 2022 | Third Saturday GM Mix 246 | B10 Caro-Kann |
| 16. H de Melo Lux vs M Muradli |
 | 1-0 | 25 | 2022 | World Junior Championship | B23 Sicilian, Closed |
| 17. L Mendonca vs H de Melo Lux |
| 1-0 | 33 | 2022 | World Junior Championship | A61 Benoni |
| 18. H de Melo Lux vs F Baenziger |
| ½-½ | 39 | 2022 | World Junior Championship | B23 Sicilian, Closed |
| 19. M Boyer vs H de Melo Lux |
| 0-1 | 28 | 2022 | World Junior Championship | D25 Queen's Gambit Accepted |
| 20. H de Melo Lux vs V Prraneeth |
| 0-1 | 42 | 2022 | World Junior Championship | B23 Sicilian, Closed |
| 21. F B Olsen vs H de Melo Lux |
| 1-0 | 47 | 2022 | World Junior Championship | D02 Queen's Pawn Game |
| 22. H de Melo Lux vs N Casadio |
| 1-0 | 27 | 2022 | World Junior Championship | A14 English |
| 23. A Atanasov vs H de Melo Lux |
| 1-0 | 36 | 2022 | World Junior Championship | A46 Queen's Pawn Game |
| 24. H de Melo Lux vs Z Nemeth |
| 1-0 | 33 | 2022 | World Junior Championship | B30 Sicilian |
| 25. J Siddharth vs H de Melo Lux |
| ½-½ | 17 | 2022 | World Junior Championship | E44 Nimzo-Indian, Fischer Variation, 5.Ne2 |
Kibitzing
