| Jul 11, 2024 | Khachiyan | ½–½ | Briestensky | 50-1 | Caro-Kann Defense: Bronstein-Larsen Variation | |
| Jul 10, 2024 | Khachiyan | 1–0 | Linik | 50-1 | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| Jul 9, 2024 | Arnason | 0–1 | Khachiyan | 50-1 | Caro-Kann Defense: Classical Variation, Lobron System | |
| Jul 7, 2024 | Duncan | ½–½ | Khachiyan | 50-1 | Slav Defense: Alapin Variation | |
| Jul 6, 2024 | Khachiyan | 1–0 | Flear | 50-1 | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Jul 5, 2024 | Bellia | ½–½ | Khachiyan | 50-1 | Philidor Defense: Lion Variation | |
| Jul 4, 2024 | Khachiyan | ½–½ | Cummings | 50-1 | Caro-Kann Defense: Advance Variation | |
| Jul 4, 2024 | Khachiyan | ½–½ | Ginsburg | 50-1 | Queen's Indian Defense: Kasparov-Petrosian Variation, Kasparov Attack | |
| Jun 16, 2024 | Khachiyan | ½–½ | Ali Marandi | SoCal State Championship | Four Knights Game: Scotch Variation Accepted | |
| Jun 16, 2024 | Eidelman | 0–1 | Khachiyan | SoCal State Championship | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Jun 14, 2024 | Khachiyan | * | Ali Marandi | Round 7: Khachiyan, Melikset - Ali Marandi, Cemil Can | ? | |
| Jun 14, 2024 | Khachiyan | ½–½ | Shlyakhtenko | Round 5: Khachiyan, Melikset - Shlyakhtenko, Robert | Nimzo-Larsen Attack: Classical Variation | |
| Jun 14, 2024 | Akopian | 1–0 | Khachiyan | Round 4: Akopian, Vladimir - Khachiyan, Melikset | Philidor Defense: Lion Variation | |
| Jun 14, 2024 | Khachiyan | 1–0 | Hakobyan | Round 3: Khachiyan, Melikset - Hakobyan, Eduard | King's Indian Attack: Yugoslav Variation | |
| Jun 14, 2024 | Bryant | ½–½ | Khachiyan | Round 2: Bryant, John Daniel - Khachiyan, Melikset | Scotch Game: Mieses Variation | |
| Jun 13, 2024 | Costello | ½–½ | Khachiyan | Round 1: Costello, Alexander - Khachiyan, Melikset | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| Jul 24, 2023 | Shabalov | ½–½ | Khachiyan | 2023 U.S. Senior Chess Championship | Ruy Lopez: Exchange Variation, Alapin Gambit | |
| Jul 23, 2023 | Khachiyan | ½–½ | Wolff | 2023 U.S. Senior Chess Championship | Sicilian Defense: Moscow Variation, Main Line | |
| Jul 22, 2023 | Kaidanov | ½–½ | Khachiyan | 2023 U.S. Senior Chess Championship | Slav Defense | |
| Jul 21, 2023 | Khachiyan | 1–0 | Root | 2023 U.S. Senior Chess Championship | Four Knights Game: Scotch Variation Accepted | |
| Jul 19, 2023 | Khachiyan | 1–0 | Dlugy | 2023 U.S. Senior Chess Championship | Zukertort Opening: Sicilian Invitation | |
| Jul 18, 2023 | Gurevich | 0–1 | Khachiyan | 2023 U.S. Senior Chess Championship | English Opening: Symmetrical Variation | |
| Jul 17, 2023 | Khachiyan | ½–½ | Benjamin | 2023 U.S. Senior Chess Championship | Rapport-Jobava System | |
| Jul 16, 2023 | Novikov | 0–1 | Khachiyan | 2023 U.S. Senior Chess Championship | Slav Defense: Modern Line | |
| Jul 15, 2023 | Khachiyan | 1–0 | Akopian | 2023 U.S. Senior Chess Championship | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 25, 2021 | Fishbein | 1–0 | Khachiyan | U.S. Senior Championship | Four Knights Game: Scotch Variation Accepted | |
| Jul 24, 2021 | Khachiyan | 0–1 | Benjamin | U.S. Senior Championship | Sicilian Defense: Closed, Traditional | |
| Jul 23, 2021 | Tarjan | 1–0 | Khachiyan | U.S. Senior Championship | English Opening: Caro-Kann Defensive System | |
| Jul 22, 2021 | Khachiyan | ½–½ | Novikov | U.S. Senior Championship | Sicilian Defense: Closed | |
| Jul 20, 2021 | Christiansen | 1–0 | Khachiyan | U.S. Senior Championship | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line | |
| Jul 19, 2021 | Khachiyan | 0–1 | Shabalov | U.S. Senior Championship | French Defense: Steinitz Variation | |
| Jul 18, 2021 | Khachiyan | ½–½ | Kaidanov | U.S. Senior Championship | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Jul 17, 2021 | Sokolin | 1–0 | Khachiyan | U.S. Senior Championship | Sicilian Defense: French Variation | |
| Jul 16, 2021 | Khachiyan | ½–½ | Yermolinsky | U.S. Senior Championship | Four Knights Game: Spanish Variation, Classical Variation | |
