| Dieguez Alvarez, Mario Enrique2317 | ½-½ | Almaguel Mendez, Adrian Jesus2165 | 57th Capablanca Mem Open | 2024 |
| Hernandez Gil, Ineymig2156 | 0-1 | Dieguez Alvarez, Mario Enrique2317 | 57th Capablanca Mem Open | 2024 |
| Dieguez Alvarez, Mario Enrique2317 | 1-0 | Herrera Pedroso, Alex1998 | 57th Capablanca Mem Open | 2024 |
| Dieguez Alvarez, Mario Enrique2317 | 1-0 | Obregon Garcia, Roxangel2156 | 57th Capablanca Mem Open | 2024 |
| Martinez Duany, L2472 | 1-0 | Dieguez Alvarez, Mario Enrique2317 | 57th Capablanca Mem Open | 2024 |
| Dieguez Alvarez, Mario Enrique2317 | 1-0 | Manso Lopez, Rosangela1941 | 57th Capablanca Mem Open | 2024 |
| Perez Sanchez, David1953 | 0-1 | Dieguez Alvarez, Mario Enrique2317 | 57th Capablanca Mem Open | 2024 |
| Lopez Gonzalez, A2379 | ½-½ | Dieguez Alvarez, Mario Enrique2304 | 31st Carlos Torre Mem | 2019 |
| Fernandez Cardoso, A2441 | 1-0 | Dieguez Alvarez, Mario Enrique2304 | 31st Carlos Torre Mem | 2019 |
| Miranda Mesa, E2477 | 1-0 | Dieguez Alvarez, Mario Enrique2304 | 31st Carlos Torre Mem | 2019 |
| Dieguez Alvarez, Mario Enrique2320 | 0-1 | Flores Quillas, Diego Saul Rodri2097 | Guillermo Garcia Open | 2018 |
| Morales Marmol, Marcos Antonio2139 | 0-1 | Dieguez Alvarez, Mario Enrique2320 | Guillermo Garcia Open | 2018 |
| Dieguez Alvarez, Mario Enrique2320 | ½-½ | Elias Reyes, Jorge Roberto2300 | Guillermo Garcia Open | 2018 |
| Martinez Ramirez, L2393 | 1-0 | Dieguez Alvarez, Mario Enrique2320 | Guillermo Garcia Open | 2018 |
| Dieguez Alvarez, Mario Enrique2320 | 1-0 | Lemus Morales, Diego Enrique2160 | Guillermo Garcia Open | 2018 |