| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. A Mendez Machado vs V Canales Chinchilla |
| 1-0 | 17 | 2023 | Iberoamericano Championship | B25 Sicilian, Closed |
| 27. A Mendez Machado vs B Roselli Mailhe |
| 0-1 | 32 | 2023 | Iberoamericano Championship | C03 French, Tarrasch |
| 28. M A Quiroz Palacios vs A Mendez Machado |
| 0-1 | 23 | 2023 | Iberoamericano Championship | A46 Queen's Pawn Game |
| 29. A Mendez Machado vs S Camargo Silva |
| ½-½ | 25 | 2023 | Iberoamericano Championship | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 30. S J Guevara Ruiz vs A Mendez Machado |
| 0-1 | 65 | 2023 | Iberoamericano Championship | C53 Giuoco Piano |
| 31. A Mendez Machado vs B A Leite Martins |
| 0-1 | 50 | 2023 | Iberoamericano Championship | B12 Caro-Kann Defense |
| 32. S Ibanez Moreno vs A Mendez Machado |
| 1-0 | 64 | 2023 | Iberoamericano Championship | C50 Giuoco Piano |
| 33. A Mendez Machado vs Aronian |
  | 0-1 | 45 | 2024 | Budapest Olympiad | B30 Sicilian |
| 34. A Mendez Machado vs N A de Ceita |
| ½-½ | 28 | 2024 | Budapest Olympiad | B06 Robatsch |
| 35. A Almiron vs A Mendez Machado |
| 1-0 | 71 | 2024 | Budapest Olympiad | D38 Queen's Gambit Declined, Ragozin Variation |
| 36. A Mendez Machado vs K Kodithuwakku |
| 1-0 | 61 | 2024 | Budapest Olympiad | C55 Two Knights Defense |
| 37. R Burovic vs A Mendez Machado |
| 0-1 | 51 | 2024 | Budapest Olympiad | C53 Giuoco Piano |
| 38. Ahmad Safy Kanz vs A Mendez Machado |
| 1-0 | 49 | 2024 | Budapest Olympiad | A28 English |
| 39. E Baasansuren vs A Mendez Machado |
| 1-0 | 52 | 2024 | Budapest Olympiad | A15 English |
| 40. S Avila Pavas vs A Mendez Machado |
| 1-0 | 41 | 2024 | Budapest Olympiad | D02 Queen's Pawn Game |
| 41. A Mendez Machado vs B Jacobson |
| 0-1 | 46 | 2025 | Menorca Open | C50 Giuoco Piano |
Kibitzing
