| Jun 23, 2026 | Zhao | 0–1 | Atanasov | World Youth Chess Championship 2026 U18 Open | Sicilian Defense: Kalashnikov Variation | |
| Jun 22, 2026 | Atanasov | 1–0 | Daulet | Round 7: Atanasov, Anthony - Daulet, Alikhan | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jun 20, 2026 | Atoyan | ½–½ | Atanasov | Round 6: Atoyan, Alberto - Atanasov, Anthony | Nimzo-Indian Defense: St. Petersburg Variation | |
| Jun 19, 2026 | Atanasov | ½–½ | Kot | Round 5: Atanasov, Anthony - Kot, Emanuel | Indian Defense: Anti-Nimzo-Indian | |
| Jun 16, 2026 | Petukhov | 0–1 | Atanasov | Round 2: Petukhov, Alan - Atanasov, Anthony | Queen's Indian Defense: Fianchetto Variation | |
| Jun 15, 2026 | Atanasov | 1–0 | Angulo Perez | Round 1: Atanasov, Anthony - Angulo Perez, Sebastian | Indian Defense: London System | |
| Jun 12, 2026 | Atanasov | 1–0 | Magold | Round 11: Atanasov, Anthony - Magold, Filip | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Jun 12, 2026 | Atanasov | 1–0 | Habans Aguerrea | Round 10: Atanasov, Anthony - Habans Aguerrea, Javier | Caro-Kann Defense: Advance Variation | |
| Jun 12, 2026 | Vallee | 0–1 | Atanasov | Round 9: Vallee, Louis - Atanasov, Anthony | English Opening: King's English Variation, Taimanov Variation | |
| Jun 12, 2026 | Germanovs | 1–0 | Atanasov | Round 4: Germanovs, Georgijs - Atanasov, Anthony | Bird Opening: Dutch Variation | |
| Jun 12, 2026 | Atanasov | 1–0 | Torfoss | Round 3: Atanasov, Anthony - Torfoss, Sivert Schanche | Indian Defense: Knights Variation | |
| May 10, 2026 | Atanasov | ½–½ | Smirin | Round 9: Atanasov, Anthony - Smirin, Ilia | King's Indian Defense: Normal Variation, Rare Defenses | |
| May 9, 2026 | Jacobson | ½–½ | Atanasov | Round 8: Jacobson, Brandon - Atanasov, Anthony | Vienna Game: Paulsen Variation | |
| May 8, 2026 | Atanasov | 1–0 | Saric | Round 7: Atanasov, Anthony - Saric, Ivan | King's Indian Defense: Normal Variation, Rare Defenses | |
| May 7, 2026 | Kavutskiy | 0–1 | Atanasov | Round 6: Kavutskiy, Kostya - Atanasov, Anthony | Indian Defense: Anti-Nimzo-Indian | |
| May 6, 2026 | Atanasov | ½–½ | Srinath | Round 5: Atanasov, Anthony - Srinath, Rao S.V. | Indian Defense: Knights Variation | |
| Apr 7, 2026 | Atanasov | 1–0 | Noritsyn | Round 9: Atanasov, Anthony - Noritsyn, Nikolay | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 6, 2026 | Atanasov | 1–0 | Panjwani | Round 7: Atanasov, Anthony - Panjwani, Raja | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 4, 2026 | Atanasov | 1–0 | Razin | Round 6: Atanasov, Anthony - Razin, Vadim | Queen's Pawn Game: Zukertort Variation | |
| Apr 4, 2026 | Wu | 0–1 | Atanasov | Round 5: Wu, Jonathan - Atanasov, Anthony | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 3, 2026 | Atanasov | 1–0 | Jaferian | Round 4: Atanasov, Anthony - Jaferian, Koosha | Queen's Pawn Game: London System | |
| Apr 3, 2026 | Doknjas | 1–0 | Atanasov | Round 3: Doknjas, Neil - Atanasov, Anthony | Nimzo-Indian Defense | |
| Apr 3, 2026 | Rodrigue-Lemieux | 1–0 | Atanasov | Round 8: Rodrigue-Lemieux, Shawn - Atanasov, Anthony | English Opening: Agincourt Defense, Catalan Defense Accepted | |
| Apr 3, 2026 | Atanasov | 1–0 | Clyde | Round 2: Atanasov, Anthony - Clyde, Jordan | Pirc Defense | |
| Apr 3, 2026 | Manley | 0–1 | Atanasov | Round 1: Manley, Jason - Atanasov, Anthony | Queen's Pawn Game: Colle System | |
| Mar 1, 2026 | Oparin | ½–½ | Atanasov | Saint Louis Masters | King's Pawn Game: Leonardis Variation | |
| Feb 28, 2026 | Atanasov | 1–0 | Fier | Saint Louis Masters | Indian Defense: Accelerated London System | |
| Feb 28, 2026 | Alexakis | ½–½ | Atanasov | Saint Louis Masters | Petrov's Defense: Modern Attack, Center Variation | |
| Feb 27, 2026 | Atanasov | ½–½ | Mardov | Saint Louis Masters | Queen's Pawn Game: London System | |
| Feb 27, 2026 | Bharath Subramaniyam H | ½–½ | Atanasov | Saint Louis Masters | Four Knights Game: Spanish Variation, Rubinstein Variation | |
| Feb 26, 2026 | Budisavljevic | ½–½ | Atanasov | Saint Louis Masters | Queen's Pawn Game: Colle System | |
| Feb 26, 2026 | Atanasov | 1–0 | Tiglon | Saint Louis Masters | French Defense: Classical Variation, Swiss Variation | |
| Feb 25, 2026 | Can | ½–½ | Atanasov | Saint Louis Masters | Petrov's Defense: Classical Attack | |
| Feb 25, 2026 | Atanasov | ½–½ | Lodici | Saint Louis Masters | Indian Defense: Accelerated London System | |
| Feb 16, 2026 | Noritsyn | 1–0 | Atanasov | 2026 Hart House Reading Week Open | French Defense: Steiner Variation | |
| Feb 16, 2026 | Atanasov | ½–½ | Plotkin | 2026 Hart House Reading Week Open | Indian Defense: Accelerated London System | |
| Feb 15, 2026 | Jaferian | ½–½ | Atanasov | 2026 Hart House Reading Week Open | Nimzowitsch Defense: Williams Variation | |
| Feb 15, 2026 | Atanasov | 1–0 | Razin | 2026 Hart House Reading Week Open | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Feb 14, 2026 | Moses | 0–1 | Atanasov | 2026 Hart House Reading Week Open | Zukertort Opening | |
| Feb 14, 2026 | Atanasov | 1–0 | Zhao | 2026 Hart House Reading Week Open | Indian Defense: Accelerated London System | |
| Nov 30, 2025 | Atanasov | 1–0 | Boyer | Round 9: Atanasov, Anthony - Boyer, Mahel | Ruy Lopez: Morphy Defense, Cozio Defense | |
| Nov 30, 2025 | Apaar Saxena | 0–1 | Atanasov | Round 8: Apaar Saxena - Atanasov, Anthony | Catalan Opening: Closed | |
| Nov 30, 2025 | Atanasov | 0–1 | Tiglon | Round 7: Atanasov, Anthony - Tiglon, Bryce | Indian Defense | |
| Nov 29, 2025 | Ladan | 0–1 | Atanasov | Round 6: Ladan, Nicholas - Atanasov, Anthony | Catalan Opening: Closed Variation, Traditional Variation | |
| Nov 28, 2025 | Atanasov | ½–½ | Zhou | Round 5: Atanasov, Anthony - Zhou, Jianchao | Sicilian Defense: Najdorf Variation, English Attack | |
| Nov 27, 2025 | Atanasov | 0–1 | Brodsky | Round 3: Atanasov, Anthony - Brodsky, David | Sicilian Defense: Lasker-Pelikan Variation | |
| Sep 1, 2025 | Atanasov | 1–0 | Noritsyn | 2025 Toronto Open | Indian Defense: London System | |
| Sep 1, 2025 | Atanasov | 1–0 | Plotkin | 2025 Toronto Open | Queen's Pawn Game: Zukertort Variation | |
| Jun 30, 2025 | Atanasov | ½–½ | Liu | Round 9: Atanasov, Anthony - Liu, Eric | Indian Defense: London System | |
| Jun 30, 2025 | Bartell | * | Atanasov | 18th Annual Philadephia International | ? | |
| Jun 28, 2025 | Jing | * | Atanasov | 18th Annual Philadephia International | ? | |
| Jun 28, 2025 | Atanasov | * | Huston | 18th Annual Philadephia International | ? | |
| Apr 21, 2025 | Atanasov | ½–½ | Mendes Aaron Reeve | Round 7: Atanasov, Anthony - Mendes Aaron Reeve | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 21, 2025 | Kot | ½–½ | Atanasov | Round 8: Kot, Emanuel - Atanasov, Anthony | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Apr 20, 2025 | Ng | ½–½ | Atanasov | Round 6: Ng, Gary - Atanasov, Anthony | Catalan Opening: Closed | |
| Apr 19, 2025 | Atanasov | 1–0 | Windram | Round 5: Atanasov, Anthony - Windram, James | Sicilian Defense: Classical Variation | |
| Apr 19, 2025 | Sambuev | 1–0 | Atanasov | Canadian Closed 2025 | Zukertort Opening | |
| Apr 18, 2025 | Atanasov | ½–½ | Jaferian | Canadian Closed 2025 | Caro-Kann Defense: Exchange Variation | |
| Apr 18, 2025 | Lin | ½–½ | Atanasov | Canadian Closed 2025 | Nimzowitsch Defense: Scandinavian Variation | |
| Apr 17, 2025 | Atanasov | 1–0 | Darvekar | Canadian Closed 2025 | Sicilian Defense: Najdorf Variation, English Attack | |
| Mar 7, 2025 | Ohanyan | 1–0 | Atanasov | Round 11: Ohanyan, Emin - Atanasov, Anthony | Petrov's Defense: Modern Attack | |
| Mar 6, 2025 | Atanasov | 1–0 | Sokolovsky | Round 10: Atanasov, Anthony - Sokolovsky, Yahli | Sicilian Defense: Najdorf Variation | |
| Mar 5, 2025 | Atanasov | ½–½ | Zia | Round 9: Atanasov, Anthony - Zia, Tahsin Tajwar | Queen's Pawn Game: Colle System | |
| Mar 4, 2025 | George Samir | 0–1 | Atanasov | Round 8: George Samir, David - Atanasov, Anthony | Rapport-Jobava System | |
| Mar 3, 2025 | Atanasov | 1–0 | Jares | Round 7: Atanasov, Anthony - Jares, Michal | Sicilian Defense: Moscow Variation, Main Line | |
| Mar 2, 2025 | Halynyazov | 1–0 | Atanasov | Round 6: Halynyazov, Vepaly - Atanasov, Anthony | Queen's Gambit Declined: Barmen Variation | |
| Mar 1, 2025 | Atanasov | ½–½ | Trushko | Round 5: Atanasov, Anthony - Trushko, Andrii | Caro-Kann Defense: Exchange Variation | |
| Feb 28, 2025 | Nainys | ½–½ | Atanasov | Round 4: Nainys, Zanas - Atanasov, Anthony | Catalan Opening: Closed | |
| Feb 27, 2025 | Atanasov | ½–½ | Liu | Round 3: Atanasov, Anthony - Liu, Casper | Queen's Pawn Game: London System | |
| Feb 26, 2025 | Burns | 0–1 | Atanasov | Round 2: Burns, Michael - Atanasov, Anthony | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Feb 25, 2025 | Atanasov | ½–½ | Obidjonov | Round 1: Atanasov, Anthony - Obidjonov, Oriyat | Indian Defense | |
| Dec 22, 2024 | Atanasov | ½–½ | Naoum | XI Sunway Sitges International Chess Festival 2024 - Group A | Queen's Pawn Game: London System | |
| Dec 21, 2024 | Kristoferitsch | ½–½ | Atanasov | XI Sunway Sitges International Chess Festival 2024 - Group A | English Defense | |
| Dec 20, 2024 | Atanasov | 1–0 | Karimov | XI Sunway Sitges International Chess Festival 2024 - Group A | Indian Defense: Knights Variation | |
| Dec 19, 2024 | Alinasab | ½–½ | Atanasov | XI Sunway Sitges International Chess Festival 2024 - Group A | Four Knights Game | |
| Dec 18, 2024 | Atanasov | 1–0 | Chia | XI Sunway Sitges International Chess Festival 2024 - Group A | Queen's Indian Defense: Miles Variation | |
| Dec 16, 2024 | Allahverdiyeva | ½–½ | Atanasov | XI Sunway Sitges International Chess Festival 2024 - Group A | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 15, 2024 | Atanasov | 1–0 | Hristodorescu | XI Sunway Sitges International Chess Festival 2024 - Group A | Ruy Lopez: Morphy Defense, Tarrasch Variation | |
| Dec 12, 2024 | Llopis de Aysa | 1–0 | Atanasov | XI Sunway Sitges International Chess Festival 2024 - Group A | Queen's Gambit Declined: Three Knights Variation | |
| Dec 12, 2024 | Llopis de Aysa | 1–0 | Atanasov | XI Sunway Sitges International Chess Fes | Queen's Gambit Declined: Three Knights Variation | |
| Sep 2, 2024 | Atanasov | 1–0 | Plotkin | Round 6: Atanasov, Anthony - Plotkin, Mark | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 1, 2024 | Sambuev | 0–1 | Atanasov | Round 3: Sambuev, Bator - Atanasov, Anthony | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Aug 31, 2024 | Atanasov | 1–0 | Li | Round 2: Atanasov, Anthony - Li, Adam | Queen's Pawn Game: Symmetrical Variation | |
| Aug 31, 2024 | Zhong | 0–1 | Atanasov | Round 1: Zhong, Ryan Yunhui - Atanasov, Anthony | Four Knights Game: Scotch Variation | |
| Aug 31, 2024 | Atanasov | ½–½ | Vettese | Round 5: Atanasov, Anthony - Vettese, Nicholas | Zukertort Opening: Nimzo-Larsen Variation | |
| Aug 31, 2024 | Bora | ½–½ | Atanasov | Round 4: Bora, Safal - Atanasov, Anthony | Petrov's Defense: Modern Attack | |
| Aug 10, 2024 | Atanasov | ½–½ | Morefield | 11th Annual Washington International - Championship | Indian Defense: Normal Variation | |
| Aug 10, 2024 | Atanasov | 1–0 | Muthukumar | 11th Annual Washington International - Championship | Queen's Pawn Game: London System, with e6 | |
| Aug 10, 2024 | Andersen | 0–1 | Atanasov | 11th Annual Washington International - Championship | Petrov's Defense: Nimzowitsch Attack | |
| Aug 10, 2024 | Ansh M Shah | ½–½ | Atanasov | 11th Annual Washington International - Championship | Queen's Pawn Game: Krause Variation | |
| Aug 10, 2024 | Tanenbaum | ½–½ | Atanasov | 11th Annual Washington International - Championship | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 25, 2024 | Gutierrez | 0–1 | Atanasov | Round 9: Gutierrez, Renzo - Atanasov, Anthony | Sicilian Defense: Lasker-Dunne Attack | |
| Jul 24, 2024 | Atanasov | 0–1 | Kantans | Round 8: Atanasov, Anthony - Kantans, Toms | Sicilian Defense: Taimanov Variation | |
| Jul 24, 2024 | Noritsyn | 1–0 | Atanasov | Round 7: Noritsyn, Nikolay - Atanasov, Anthony | Petrov's Defense: Kaufmann Attack | |
| Jul 23, 2024 | Atanasov | 0–1 | Saric | Round 6: Atanasov, Anthony - Saric, Ivan | Indian Defense: Normal Variation | |
| Jul 22, 2024 | Sambuev | ½–½ | Atanasov | Round 5: Sambuev, Bator - Atanasov, Anthony | Slav Defense: Quiet Variation, Schallopp Defense | |
| Jul 22, 2024 | Atanasov | 0–1 | Van Foreest | Round 4: Atanasov, Anthony - Van Foreest, Jorden | Sicilian Defense: Najdorf Variation | |
| Jul 21, 2024 | Stefansson | ½–½ | Atanasov | Round 3: Stefansson, Vignir Vatnar - Atanasov, Anthony | Slav Defense: Modern Line | |
| Jul 20, 2024 | Atanasov | 0–1 | Rodrigue-Lemieux | Round 2: Atanasov, Anthony - Rodrigue-Lemieux, Shawn | Caro-Kann Defense: Tartakower Variation | |
| Jul 20, 2024 | Tari | 1–0 | Atanasov | Round 1: Tari, Aryan - Atanasov, Anthony | Petrov's Defense: Modern Attack, Center Variation | |