| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. N Theodorou vs E J Fernandez Guillen |
| 1-0 | 35 | 2018 | 30th Carlos Torre Mem | E60 King's Indian Defense |
| 27. Y Gonzalez Vidal vs E J Fernandez Guillen |
| 1-0 | 43 | 2018 | 30th Carlos Torre Mem | C50 Giuoco Piano |
| 28. E J Fernandez Guillen vs L Quesada Perez |
| 1-0 | 43 | 2018 | 30th Carlos Torre Mem | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 29. B Bok vs E J Fernandez Guillen |
| ½-½ | 53 | 2018 | 30th Carlos Torre Mem | A35 English, Symmetrical |
| 30. J J Perez Leiva vs E J Fernandez Guillen |
| 1-0 | 51 | 2019 | Guillermo Garcia Masters | A14 English |
| 31. Y Miranda Llanes vs E J Fernandez Guillen |
| 1-0 | 34 | 2019 | Guillermo Garcia Masters | D38 Queen's Gambit Declined, Ragozin Variation |
| 32. E J Fernandez Guillen vs M Ramirez Gonzalez |
| 1-0 | 34 | 2019 | Guillermo Garcia Masters | C05 French, Tarrasch |
| 33. R A Medina Diaz vs E J Fernandez Guillen |
| ½-½ | 28 | 2019 | Guillermo Garcia Masters | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 34. E J Fernandez Guillen vs O Linares Napoles |
| 1-0 | 38 | 2019 | Guillermo Garcia Masters | B48 Sicilian, Taimanov Variation |
| 35. H de Jesus Velarde Ramirez vs E J Fernandez Guillen |
| 0-1 | 43 | 2019 | Guillermo Garcia Masters | A39 English, Symmetrical, Main line with d4 |
| 36. E J Fernandez Guillen vs A C Campos Jimenez |
| ½-½ | 52 | 2019 | Guillermo Garcia Masters | B90 Sicilian, Najdorf |
| 37. E Chinchilla Miranda vs E J Fernandez Guillen |
| 0-1 | 51 | 2019 | Guillermo Garcia Masters | E97 King's Indian |
| 38. E J Fernandez Guillen vs P Pazos Gambarrotti |
| 1-0 | 46 | 2019 | Guillermo Garcia Masters | B12 Caro-Kann Defense |
| 39. Y Miranda Llanes vs E J Fernandez Guillen |
| 0-1 | 41 | 2019 | 31st Carlos Torre Mem | E11 Bogo-Indian Defense |
| 40. E Miranda Mesa vs E J Fernandez Guillen |
| 0-1 | 67 | 2019 | 31st Carlos Torre Mem | C63 Ruy Lopez, Schliemann Defense |
| 41. E J Fernandez Guillen vs E Espinosa |
| ½-½ | 98 | 2019 | 31st Carlos Torre Mem | C50 Giuoco Piano |
| 42. Macieja vs E J Fernandez Guillen |
| 1-0 | 38 | 2019 | 31st Carlos Torre Mem | A15 English |
| 43. E J Fernandez Guillen vs R R Fernandez Mayola |
| 1-0 | 58 | 2019 | 31st Carlos Torre Mem | C53 Giuoco Piano |
| 44. R A G Matos vs E J Fernandez Guillen |
| ½-½ | 61 | 2019 | 31st Carlos Torre Mem | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 45. E J Fernandez Guillen vs R Martin del Campo |
| 1-0 | 33 | 2019 | 31st Carlos Torre Mem | A07 King's Indian Attack |
| 46. Shreyas Smith vs E J Fernandez Guillen |
| 0-1 | 70 | 2021 | American World Cup QGp3 | D35 Queen's Gambit Declined |
| 47. E J Fernandez Guillen vs Shreyas Smith |
| ½-½ | 19 | 2021 | American World Cup QGp3 | B12 Caro-Kann Defense |
| 48. E J Fernandez Guillen vs L Krysa |
| ½-½ | 79 | 2021 | American World Cup QGp3 | C45 Scotch Game |
| 49. L Krysa vs E J Fernandez Guillen |
| 1-0 | 41 | 2021 | American World Cup QGp3 | D37 Queen's Gambit Declined |
| 50. L Krysa vs E J Fernandez Guillen |
| ½-½ | 50 | 2021 | American World Cup QGp3 | D46 Queen's Gambit Declined Semi-Slav |
Kibitzing
