| Apr 28, 2026 | Birnboim | 1–0 | Gorbatov | Round 9: Birnboim, Nathan - Gorbatov, Alexej | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 | |
| Apr 27, 2026 | Gazik | 0–1 | Birnboim | Round 8: Gazik, Igor - Birnboim, Nathan | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Apr 26, 2026 | Birnboim | ½–½ | Roos | Round 7: Birnboim, Nathan - Roos, Jean-Luc | Sicilian Defense: Modern Variations | |
| Apr 25, 2026 | Messa | 0–1 | Birnboim | Round 6: Messa, Roberto - Birnboim, Nathan | Indian Defense: Budapest Defense, Adler Variation | |
| Apr 23, 2026 | Birnboim | 0–1 | Littlewood | Round 5: Birnboim, Nathan - Littlewood, Paul E | Sicilian Defense: Moscow Variation | |
| Apr 22, 2026 | Birnboim | 1–0 | Sprotte | Round 4: Birnboim, Nathan - Sprotte, Norbert | French Defense: Knight Variation | |
| Apr 21, 2026 | Meister | ½–½ | Birnboim | Round 3: Meister, Jakob - Birnboim, Nathan | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Jan 16, 2026 | Aharonovich | 1–0 | Birnboim | Round 3: Aharonovich, Itamar - Birnboim, Nathan | ? | |
| Jan 15, 2026 | Alekseev | 1–0 | Birnboim | Israel Team Championship 2026 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Nov 1, 2025 | Birnboim | ½–½ | Welling | Round 11: Birnboim, Nathan - Welling, Gerard | Modern Defense | |
| Oct 31, 2025 | Gunawan | 0–1 | Birnboim | Round 10: Gunawan, Ronny - Birnboim, Nathan | Polish Opening: German Defense | |
| Oct 30, 2025 | Birnboim | 1–0 | Binham | Round 9: Birnboim, Nathan - Binham, Timothy F. | Bishop's Opening: Berlin Defense | |
| Oct 29, 2025 | Rooze | ½–½ | Birnboim | Round 8: Rooze, Jan - Birnboim, Nathan | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Oct 28, 2025 | Birnboim | 1–0 | Nemeth | Round 7: Birnboim, Nathan - Nemeth, Zoltan | French Defense: Exchange Variation, Monte Carlo Variation | |
| Oct 26, 2025 | Rivera | 1–0 | Birnboim | Round 6: Rivera, Daniel - Birnboim, Nathan | Sicilian Defense: Lasker-Pelikan Variation | |
| Oct 25, 2025 | Birnboim | ½–½ | Bellon Lopez | Round 5: Birnboim, Nathan - Bellon Lopez, Juan Manuel | Sicilian Defense: O'Kelly Variation, Aronin System | |
| Oct 24, 2025 | Povah | ½–½ | Birnboim | Round 4: Povah, Nigel E - Birnboim, Nathan | Trompowsky Attack | |
| Oct 23, 2025 | Birnboim | 1–0 | Maier | Round 3: Birnboim, Nathan - Maier, Christian | King's Gambit Accepted: Schallopp Defense | |
| Oct 22, 2025 | Hare | 0–1 | Birnboim | Round 2: Hare, Tim - Birnboim, Nathan | King's Indian Attack: Wahls Defense | |
| Oct 21, 2025 | Birnboim | 1–0 | Gilbert | Round 1: Birnboim, Nathan - Gilbert, Michael A | French Defense: Exchange Variation, Monte Carlo Variation | |
| Feb 26, 2025 | Prakken | ½–½ | Birnboim | World Senior Team 2025 S65 | Catalan Opening: Open Defense, Classical Line | |
| Feb 25, 2025 | Birnboim | ½–½ | Uddenfeldt | World Senior Team 2025 S65 | Modern Defense | |
| Feb 24, 2025 | Littlewood | ½–½ | Birnboim | World Senior Team 2025 S65 | Indian Defense: Budapest Defense, Adler Variation | |
| Feb 23, 2025 | Nunn | ½–½ | Birnboim | World Senior Team 2025 S65 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Feb 21, 2025 | Birnboim | 1–0 | Garcia Palermo | World Senior Team 2025 S65 | French Defense: Exchange Variation, Monte Carlo Variation | |
| Feb 20, 2025 | Yrjola | ½–½ | Birnboim | World Senior Team 2025 S65 | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Feb 19, 2025 | Birnboim | ½–½ | Haik | World Senior Team 2025 S65 | Sicilian Defense: Old Sicilian | |
| Feb 18, 2025 | Birnboim | ½–½ | Primbetov | World Senior Team 2025 S65 | Sicilian Defense: Modern Variations | |
| Feb 17, 2025 | Ortoft | 0–1 | Birnboim | World Senior Team 2025 S65 | London System | |
| Nov 28, 2024 | Birnboim | 0–1 | Gal | World Senior Chess Championship 2024 | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Nov 27, 2024 | Klimaszewski | ½–½ | Birnboim | World Senior Chess Championship 2024 | French Defense: Advance Variation, Main Line | |
| Nov 26, 2024 | Birnboim | ½–½ | Rooze | World Senior Chess Championship 2024 | English Opening: Symmetrical Variation | |
| Nov 25, 2024 | Mikhalevski | 1–0 | Birnboim | World Senior Chess Championship 2024 | Indian Defense: Anti-Nimzo-Indian | |
| Nov 24, 2024 | Birnboim | 0–1 | Ftacnik | World Senior Chess Championship 2024 | Sicilian Defense: Modern Variations | |
| Nov 22, 2024 | Birnboim | 1–0 | Nasybullin | World Senior Chess Championship 2024 | Hungarian Opening | |
| Nov 21, 2024 | Bergstrom | 0–1 | Birnboim | World Senior Chess Championship 2024 | Philidor Defense: Exchange Variation | |
| Nov 20, 2024 | Birnboim | 1–0 | Taylor | World Senior Chess Championship 2024 | Scandinavian Defense: Modern Variation | |
| Nov 19, 2024 | Furman | ½–½ | Birnboim | World Senior Chess Championship 2024 | Indian Defense: Budapest Defense | |
| Nov 18, 2024 | Birnboim | ½–½ | Frick | World Senior Chess Championship 2024 | Caro-Kann Defense: Maróczy Variation | |
| Nov 17, 2024 | Arias Formoso | 0–1 | Birnboim | World Senior Chess Championship 2024 | Indian Defense: London System | |
| May 15, 2024 | Birnboim | ½–½ | Uddenfeldt | European Senior Team Chess Championship 2024 - Section 65 + | Indian Defense: Knights Variation | |
| May 14, 2024 | Haik | 1–0 | Birnboim | European Senior Team Chess Championship 2024 - Section 65 + | English Opening: Agincourt Defense | |
| May 13, 2024 | Birnboim | 1–0 | Rooze | European Senior Team Chess Championship 2024 - Section 65 + | Sicilian Defense: French Variation, Westerinen Attack | |
| May 11, 2024 | Birnboim | 1–0 | Antunac | European Senior Team Chess Championship 2024 - Section 65 + | Benoni Defense: Modern Variation | |
| May 9, 2024 | Huss | 1–0 | Birnboim | European Senior Team Chess Championship 2024 - Section 65 + | Horwitz Defense | |
| May 8, 2024 | Birnboim | 0–1 | Beliavsky | European Senior Team Chess Championship 2024 - Section 65 + | Nimzo-Larsen Attack: Classical Variation | |
| Nov 5, 2023 | Nathan Birnboim | 1–0 | Jens Hartung-Nielsen | Round 11: Nathan Birnboim - Jens Hartung-Nielsen | English Opening: Agincourt Defense, Catalan Defense | |
| Nov 4, 2023 | Nikolay A Legky | 1–0 | Nathan Birnboim | Round 10: Nikolay A Legky - Nathan Birnboim | Queen's Indian Defense: Miles Variation | |
| Nov 3, 2023 | Nathan Birnboim | 1–0 | Jan-Olov Lind | Round 9: Nathan Birnboim - Jan-Olov Lind | King's Indian Defense: Fianchetto Variation, Hungarian Variation | |
| Nov 2, 2023 | Jean-Luc Roos | ½–½ | Nathan Birnboim | Round 8: Jean-Luc Roos - Nathan Birnboim | Queen's Indian Defense: Classical Variation, Traditional Variation, Nimzowitsch Line | |
| Nov 1, 2023 | Nathan Birnboim | 1–0 | Richard Meulders | Round 7: Nathan Birnboim - Richard Meulders | Catalan Opening | |
| Oct 30, 2023 | Ole Christian Moen | 1–0 | Nathan Birnboim | Round 6: Ole Christian Moen - Nathan Birnboim | Ruy Lopez: Closed | |
| Oct 29, 2023 | Nathan Birnboim | ½–½ | Jose Luis Fernandez Garcia | Round 5: Nathan Birnboim - Jose Luis Fernandez Garcia | Queen's Gambit Declined | |
| Oct 28, 2023 | Robert W Smith | 0–1 | Nathan Birnboim | Round 4: Robert W Smith - Nathan Birnboim | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Oct 27, 2023 | Nathan Birnboim | ½–½ | Anders Wengholm | 65+ World Senior Championship | Pirc Defense | |
| Oct 26, 2023 | Carvalho | 0–1 | Birnboim | 65+ World Senior Championship | French Defense: Tarrasch Variation | |
| Oct 25, 2023 | Birnboim | 1–0 | Lochte | 65+ World Senior Championship | Benko Gambit Accepted: Pawn Return Variation | |
| Sep 28, 2023 | Timothy F. Binham | 0–1 | Nathan Birnboim | Round 9: Timothy F. Binham - Nathan Birnboim | King's Gambit Accepted: Cunningham Defense | |
| Sep 27, 2023 | Jan Plachetka | ½–½ | Nathan Birnboim | Round 8: Jan Plachetka - Nathan Birnboim | Queen's Pawn Game: Torre Attack, Grünfeld Variation, Main Line | |
| Sep 26, 2023 | Nathan Birnboim | 0–1 | Anthony C. Kosten | Round 7: Nathan Birnboim - Anthony C. Kosten | Nimzo-Indian Defense: Classical Variation | |
| Sep 24, 2023 | Nathan Birnboim | 1–0 | Mahmut Xheladini | Round 6: Nathan Birnboim - Mahmut Xheladini | King's Gambit Declined: Classical Variation | |
| Sep 23, 2023 | Nathan Birnboim | ½–½ | Siegfried Zoernpfenning | Round 1: Nathan Birnboim - Siegfried Zoernpfenning | Trompowsky Attack | |
| Sep 23, 2023 | Jakob Meister | 1–0 | Nathan Birnboim | Round 5: Jakob Meister - Nathan Birnboim | English Opening: King's English Variation, Two Knights Variation | |
| Sep 22, 2023 | Nathan Birnboim | ½–½ | Clemens Werner | Round 4: Nathan Birnboim - Clemens Werner | Four Knights Game: Spanish Variation, Double Spanish | |
| Sep 21, 2023 | Roberto Messa | 0–1 | Nathan Birnboim | Round 3: Roberto Messa - Nathan Birnboim | Modern Defense: Averbakh System | |
| Nov 26, 2022 | Nils-Gustaf Renman | * | Nathan Birnboim | Round 11 | 65+: Nils-Gustaf Renman - Nathan Birnboim | Old Indian Defense: Tartakower-Indian | |
| Nov 25, 2022 | Nathan Birnboim | 1–0 | Rainer Knaak | Round 10 | 65+: Nathan Birnboim - Rainer Knaak | Bishop's Opening: Vienna Hybrid | |
| Nov 24, 2022 | Clemens Werner | ½–½ | Nathan Birnboim | Round 9 | 65+: Clemens Werner - Nathan Birnboim | Philidor Defense | |
| Nov 23, 2022 | Nathan Birnboim | 1–0 | Josef Jurek | Round 8 | 65+: Nathan Birnboim - Josef Jurek | Catalan Opening: Closed | |
| Nov 22, 2022 | John D M Nunn | 1–0 | Nathan Birnboim | Round 7 | 65+: John D M Nunn - Nathan Birnboim | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Nov 20, 2022 | Nathan Birnboim | 1–0 | Dr. Matthias Kierzek | Round 6 | 65+: Nathan Birnboim - Dr. Matthias Kierzek | Caro-Kann Defense: Breyer Variation | |
| Nov 19, 2022 | Peter Petran | ½–½ | Nathan Birnboim | Round 5 | 65+: Peter Petran - Nathan Birnboim | Hungarian Opening | |
| Nov 18, 2022 | Nathan Birnboim | ½–½ | Nils-Gustaf Renman | Round 4 | 65+: Nathan Birnboim - Nils-Gustaf Renman | Queen's Pawn Game: London System | |
| Oct 4, 2021 | Nils-Gustaf Renman | ½–½ | Nathan Birnboim | Round 9: Nils-Gustaf Renman - Nathan Birnboim | Grünfeld Defense: Exchange Variation, Spassky Variation | |
| Oct 3, 2021 | Terry P D Chapman | ½–½ | Nathan Birnboim | Round 8: Terry P D Chapman - Nathan Birnboim | Bogo-Indian Defense: Retreat Variation | |
| Oct 2, 2021 | Nathan Birnboim | 1–0 | Matthias Kierzek | Round 7: Nathan Birnboim - Matthias Kierzek | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |
| Oct 1, 2021 | Annett Wagner-Michel | ½–½ | Nathan Birnboim | Round 6: Annett Wagner-Michel - Nathan Birnboim | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Sep 30, 2021 | Nathan Birnboim | 1–0 | Bengt Hammar | Round 5: Nathan Birnboim - Bengt Hammar | Sicilian Defense: French Variation | |
| Sep 29, 2021 | Christian Syre | ½–½ | Nathan Birnboim | Round 4: Christian Syre - Nathan Birnboim | Benoni Defense: Old Benoni | |
| Sep 28, 2021 | Nathan Birnboim | 1–0 | Boris Gruzmann | Round 3: Nathan Birnboim - Boris Gruzmann | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Sep 27, 2021 | Nils-Ake Malmdin | 0–1 | Nathan Birnboim | Round 2: Nils-Ake Malmdin - Nathan Birnboim | Caro-Kann Defense: Gurgenidze System | |
| Sep 26, 2021 | Nathan Birnboim | 1–0 | Mira Kierzek | Round 1: Nathan Birnboim - Mira Kierzek | Semi-Slav Defense: Chigorin Defense | |
| Mar 8, 2021 | Nathan Birnboim | ½–½ | Ori Kochavi | Israeli Championship - Round 2: Nathan Birnboim - Ori Kochavi | Caro-Kann Defense: Accelerated Panov Attack, Modern Variation | |