| Jun 10, 2026 | Van Herck | 0–1 | Biro | Round 9: Van Herck, Marcel - Biro, Sandor | Grünfeld Defense: Exchange Variation | |
| Jun 9, 2026 | Biro | ½–½ | Brongers | Round 8: Biro, Sandor - Brongers, Henk | Zukertort Opening: Nimzo-Larsen Variation | |
| Jun 8, 2026 | Besser | 0–1 | Biro | Round 7: Besser, Jochen - Biro, Sandor | English Opening: King's English Variation, Adhiban Gambit | |
| Jun 7, 2026 | Biro | ½–½ | Castellano | Round 6: Biro, Sandor - Castellano, Alfonso | Nimzo-Larsen Attack: Modern Variation | |
| Jun 6, 2026 | Roques | ½–½ | Biro | Round 5: Roques, Pascal - Biro, Sandor | Pirc Defense | |
| Jun 5, 2026 | Biro | 0–1 | Battistella | Round 4: Biro, Sandor - Battistella, Stefano | Four Knights Game: Gunsberg Variation | |
| Jun 4, 2026 | Albanesi | 0–1 | Biro | Round 3: Albanesi, Roberto - Biro, Sandor | Four Knights Game: Scotch Variation Accepted, Main Line | |
| Jun 3, 2026 | Biro | 0–1 | Cazzaniga | Round 2: Biro, Sandor - Cazzaniga, Walter | French Defense: Two Knights Variation | |
| Jun 2, 2026 | Irandoust | 0–1 | Biro | Round 1: Irandoust, Babak - Biro, Sandor | Grob Opening | |
| Nov 1, 2025 | Chapman | ½–½ | Biro | Round 11: Chapman, Terry P D - Biro, Sandor | Queen's Gambit Declined: Chigorin Defense, Lazard Gambit | |
| Oct 31, 2025 | Biro | ½–½ | Zapata | Round 10: Biro, Sandor - Zapata, Alonso | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Oct 30, 2025 | Biro | 1–0 | Nagy | Round 9: Biro, Sandor - Nagy, Laszlo | English Opening: Symmetrical Variation, Botvinnik System Reversed, with Nf3 | |
| Oct 29, 2025 | Tocco | ½–½ | Biro | Round 8: Tocco, Paolo - Biro, Sandor | Van Geet Opening: Napoleon Attack | |
| Oct 28, 2025 | Biro | ½–½ | Sosa Patino | Round 7: Biro, Sandor - Sosa Patino, Carlos | Sicilian Defense: Smith-Morra Gambit Accepted | |
| Oct 26, 2025 | Welling | 1–0 | Biro | Round 6: Welling, Gerard - Biro, Sandor | Queen's Pawn Game: Barry Attack, Grünfeld Variation | |
| Oct 25, 2025 | Biro | ½–½ | Simonsen | Round 5: Biro, Sandor - Simonsen, Carsten | Sicilian Defense: Old Sicilian | |
| Oct 24, 2025 | Rhine | 0–1 | Biro | Round 4: Rhine, Frederick - Biro, Sandor | Mexican Defense | |
| Oct 23, 2025 | Biro | ½–½ | Chevelevitch | Round 3: Biro, Sandor - Chevelevitch, Evgueni, Dr. | Ruy Lopez: Morphy Defense, Mackenzie Variation | |
| Oct 22, 2025 | Bogdanov | ½–½ | Biro | Round 2: Bogdanov, Valentin - Biro, Sandor | Indian Defense: Polish Variation | |
| Oct 21, 2025 | Biro | 1–0 | Pagano | Round 1: Biro, Sandor - Pagano, Sergio | Caro-Kann Defense: Two Knights Attack | |
| Sep 28, 2025 | Werner | ½–½ | Biro | European individual senior chess championship 2025 - Open 65+, Rabac, Croatia | Ruy Lopez: Exchange Variation | |
| Jun 1, 2025 | Diachek | 1–0 | Biro | Zalakaros2025 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| May 30, 2025 | Aczel | ½–½ | Biro | Zalakaros2025 | Zukertort Opening: Polish Defense | |
| May 27, 2025 | Biro | 0–1 | Kiss | Zalakaros2025 | Richter-Veresov Attack | |
| May 25, 2025 | Biro | ½–½ | Varadi | Zalakaros2025 | Scotch Game: Göring Gambit, Double Pawn Sacrifice | |
| Nov 28, 2024 | Biro | 0–1 | Legky | World Senior Chess Championship 2024 | Modern Defense: Standard Defense | |
| Nov 27, 2024 | Lederman | ½–½ | Biro | World Senior Chess Championship 2024 | Ruy Lopez: Open, Riga Variation | |
| Nov 26, 2024 | Biro | ½–½ | Vatter | World Senior Chess Championship 2024 | Sicilian Defense: Alapin Variation, Barmen Defense, Milner-Barry Attack | |
| Nov 25, 2024 | Chapman | ½–½ | Biro | World Senior Chess Championship 2024 | Queen's Gambit Declined: Chigorin Defense, Lazard Gambit | |
| Nov 24, 2024 | Biro | ½–½ | Silva | World Senior Chess Championship 2024 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Nov 22, 2024 | Rivera | 0–1 | Biro | World Senior Chess Championship 2024 | Four Knights Game: Scotch Variation Accepted | |
| Nov 21, 2024 | Biro | 0–1 | Hugentobler | World Senior Chess Championship 2024 | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| Nov 2, 2024 | Biro | ½–½ | Goormachtigh | Round 9: Biro, Sandor - Goormachtigh, Johan | Sicilian Defense: Alapin Variation | |
| Oct 26, 2024 | Pogorelov | 1–0 | Biro | Round 2: Pogorelov, Ruslan - Biro, Sandor | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Jun 1, 2024 | Okhotnik | 1–0 | Biro | 43rd Zalakaros Chess Festival | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| May 31, 2024 | Videki | 1–0 | Biro | 43rd Zalakaros Chess Festival | Queen's Gambit Declined: Chigorin Defense, Main Line | |
| May 30, 2024 | Biro | 1–0 | Adarsh D | 43rd Zalakaros Chess Festival | Bird Opening: Dutch Variation | |
| May 29, 2024 | Medancic | 1–0 | Biro | 43rd Zalakaros Chess Festival | Ruy Lopez: Schliemann Defense, Tartakower Variation | |
| May 28, 2024 | Biro | 1–0 | Metaxasz | 43rd Zalakaros Chess Festival | Italian Game: Two Knights Defense, Max Lange Attack | |
| May 27, 2024 | Aczel | 1–0 | Biro | 43rd Zalakaros Chess Festival | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| May 26, 2024 | Biro | 1–0 | Jerabek | 43rd Zalakaros Chess Festival | Alekhine Defense: Maróczy Variation | |
| Oct 27, 2023 | Sandor Biro | ½–½ | Rainer Knaak | 65+ World Senior Championship | Italian Game: Two Knights Defense, Max Lange Attack | |
| Oct 26, 2023 | Pigott | 0–1 | Biro | 65+ World Senior Championship | English Opening: King's English Variation | |
| Oct 25, 2023 | Biro | * | Finlay | 65+ World Senior Championship | ? | |
| Jun 2, 2023 | Schulz | 1–0 | Biro | escc2023_65 | Horwitz Defense | |
| Jun 1, 2023 | Biro | ½–½ | Fischdick | escc2023_65 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| May 31, 2023 | Wengholm | ½–½ | Biro | escc2023_65 | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| May 30, 2023 | Biro | 1–0 | Gnirenko | escc2023_65 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| May 29, 2023 | Gaprindashvili | 1–0 | Biro | escc2023_65 | Grünfeld Defense: Exchange Variation | |
| May 28, 2023 | Biro | ½–½ | Koehler | escc2023_65 | Zukertort Opening: Nimzo-Larsen Variation | |
| May 27, 2023 | Tibaldeschi | 0–1 | Biro | escc2023_65 | Zukertort Opening: Black Mustang Defense | |
| May 26, 2023 | Biro | 1–0 | Cavatorta | escc2023_65 | Philidor Defense: Lion Variation, Shirov Gambit | |
| Nov 17, 2022 | Biro | 0–1 | Nunn | 30th World Senior Chess Championship 2022 | Sicilian Defense: Alapin Variation, Barmen Defense, Modern Line | |
| Jul 24, 2022 | Karanikas | 1–0 | Biro | 15th Paleochora Open | ? | |
| Jul 23, 2022 | Biro | * | Kazantzoglou | 15th Paleochora Open | ? | |
| Jul 22, 2022 | Deligiannis | * | Biro | 15th Paleochora Open | ? | |
| Jul 20, 2022 | Zakarian | * | Biro | 15th Paleochora Open | ? | |
| Jul 19, 2022 | Biro | ½–½ | Vagionakis | 15th Paleochora Open | ? | |
| Jul 18, 2022 | Biro | ½–½ | Kalogeris | 15th Paleochora Open | ? | |
| Jul 13, 2022 | Syre | 1–0 | Biro | ESCC 65+ Lublin 2022 | English Opening: Anglo-Indian Defense, Anglo-Grünfeld Variation | |
| Jul 12, 2022 | Biro | 0–1 | Stebbings | ESCC 65+ Lublin 2022 | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| Jul 11, 2022 | Biro | 1–0 | Dobosz | ESCC 65+ Lublin 2022 | Four Knights Game: Glek System | |
| Jul 10, 2022 | Malesevic | 1–0 | Biro | ESCC 65+ Lublin 2022 | Grünfeld Defense: Russian Variation | |
| Jul 9, 2022 | Krupa | 0–1 | Biro | ESCC 65+ Lublin 2022 | French Defense: Exchange Variation | |
| Jul 8, 2022 | Biro | ½–½ | Schulz | ESCC 65+ Lublin 2022 | Caro-Kann Defense: Apocalypse Attack | |
| Jul 7, 2022 | Petran | 1–0 | Biro | ESCC 65+ Lublin 2022 | Queen's Pawn Game: Chigorin Variation | |
| Jul 6, 2022 | Biro | 1–0 | Bogdanov | ESCC 65+ Lublin 2022 | Italian Game: Two Knights Defense, Max Lange Attack | |
| Jul 5, 2022 | Virtanen | 0–1 | Biro | ESCC 65+ Lublin 2022 | Grünfeld Defense: Three Knights Variation, Hungarian Variation | |
| Nov 7, 2021 | Biro | 0–1 | Csiki | 24th Open Bavarian Championship | King's Indian Attack | |
| Nov 6, 2021 | Guggenberger | 0–1 | Biro | 24th Open Bavarian Championship | ? | |
| Nov 5, 2021 | Biro | 1–0 | Christensen | 24th Open Bavarian Championship | ? | |
| Nov 4, 2021 | Stuhler | 1–0 | Biro | 24th Open Bavarian Championship | ? | |
| Nov 3, 2021 | Biro | 1–0 | Mittelbachert | 24th Open Bavarian Championship | ? | |
| Nov 2, 2021 | Launert | 0–1 | Biro | 24th Open Bavarian Championship | ? | |
| Nov 1, 2021 | Biro | 0–1 | Hetzner | 24th Open Bavarian Championship | ? | |
| Oct 31, 2021 | Schleich | 0–1 | Biro | 24th Open Bavarian Championship | ? | |
| Oct 30, 2021 | Biro | 0–1 | Guliyev | 24th Open Bavarian Championship | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Sep 6, 2021 | Aczel | 1–0 | Biro | Zalakaros open | Grünfeld Defense: Russian Variation, Hungarian Variation | |