| Nov 1, 2025 | Arias Formoso | ½–½ | Baasanjav | Round 11: Arias Formoso, Rodolfo - Baasanjav, Mijid | Pseudo Queen's Indian Defense | |
| Oct 31, 2025 | Jaderberg | 1–0 | Arias Formoso | Round 10: Jaderberg, Bjorn - Arias Formoso, Rodolfo | Blackmar-Diemer Gambit: Reversed Albin Countergambit | |
| Oct 30, 2025 | Arias Formoso | ½–½ | Schutt | Round 9: Arias Formoso, Rodolfo - Schutt, Ricardo de Amorim | Horwitz Defense | |
| Oct 29, 2025 | Brusi Noguera | ½–½ | Arias Formoso | Round 8: Brusi Noguera, Ricardo Ll. - Arias Formoso, Rodolfo | Zukertort Opening | |
| Oct 28, 2025 | Kolesar | ½–½ | Arias Formoso | Round 7: Kolesar, Milan - Arias Formoso, Rodolfo | Queen's Pawn Game: Zukertort Variation | |
| Oct 26, 2025 | Arias Formoso | 1–0 | Gal | Round 6: Arias Formoso, Rodolfo - Gal, Moshe | Indian Defense | |
| Oct 25, 2025 | Campanile | ½–½ | Arias Formoso | Round 5: Campanile, Antonio - Arias Formoso, Rodolfo | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Oct 24, 2025 | Arias Formoso | ½–½ | Smith | Round 4: Arias Formoso, Rodolfo - Smith, Robert W | London System, with Be2 | |
| Oct 23, 2025 | Arias Formoso | ½–½ | Xheladini | Round 3: Arias Formoso, Rodolfo - Xheladini, Mahmut | Queen's Pawn Game: London System | |
| Oct 22, 2025 | Salerni | 0–1 | Arias Formoso | Round 2: Salerni, Guido - Arias Formoso, Rodolfo | King's Indian Attack | |
| Dec 28, 2024 | Arias Formoso | 0–1 | Urbina Quiroz | Ronda 5: Arias Formoso, Rodolfo - Urbina Quiroz, Edwin | ? | |
| Dec 27, 2024 | Bonilla Sequeira | ½–½ | Arias Formoso | Ronda 4: Bonilla Sequeira, Pablo - Arias Formoso, Rodolfo | Caro-Kann Defense: Endgame Variation | |
| Dec 27, 2024 | Pastor Carvajal | 1–0 | Arias Formoso | Ronda 3: Pastor Carvajal, Jeigoth - Arias Formoso, Rodolfo | Caro-Kann Defense: Apocalypse Attack | |
| Dec 26, 2024 | Arias Formoso | 1–0 | Schnell | Ronda 2: Arias Formoso, Rodolfo - Schnell, Sebastian Narayana | London System | |
| Dec 26, 2024 | Arias Formoso | 0–1 | Ibarra Carlos Roberto | Ronda 1: Arias Formoso, Rodolfo - Ibarra Carlos Roberto | Queen's Pawn Game: London System | |
| Nov 17, 2024 | Arias Formoso | 0–1 | Birnboim | World Senior Chess Championship 2024 | Indian Defense: London System | |
| Oct 26, 2023 | Arias Formoso | * | Bakalar | 65+ World Senior Championship | ? | |
| Oct 25, 2023 | Nunn | 1–0 | Arias Formoso | 65+ World Senior Championship | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
