| 3 ago 2026 | Mamikonyan, Artem T 2297 | Shaik Sumer Arsh 2317 | ½-½ | C12 Defensa Francesa: McCutcheon Variation, Dr. Olland Variation | 35th Kavala Open Chess Tournament \"Vasilis Theodoridis\" | Group A | 69 | Ver |
| 11 jul 2026 | Mamikonyan, Artem T 2210 | Bukal, Vladimir Jr. 2282 | ½-½ | B28 Defensa Siciliana: O'Kelly Variation, Venice System | Montenegro Open - Mediterranean Championship 2026 | OPEN A | 64 | Ver |
| 9 jul 2026 | Mamikonyan, Artem T 2210 | Badelka, Olga 2406 | 0-1 | C11 Defensa Francesa: Classical Variation, Burn Variation | Montenegro Open - Mediterranean Championship 2026 | OPEN A | 46 | Ver |
| 9 jul 2026 | Saraci, Nderim 2466 | Mamikonyan, Artem T 2210 | ½-½ | A05 Ataque Indio de Rey | Montenegro Open - Mediterranean Championship 2026 | OPEN A | 40 | Ver |
| 7 jul 2026 | Mamikonyan, Artem T 2210 | Zlatkov, Anton 2388 | 1-0 | B30 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack | Montenegro Open - Mediterranean Championship 2026 | OPEN A | 44 | Ver |
| 4 jul 2026 | Mamikonyan, Artem T 2210 | Kantans, Toms 2559 | 0-1 | B23 Defensa Siciliana: Closed, Traditional | Montenegro Open - Mediterranean Championship 2026 | OPEN A | 45 | Ver |
| 25 jun 2026 | Mamikonyan, Artem T 2210 | Guo, Ethan 2404 | 1-0 | B90 Defensa Siciliana: Najdorf Variation, Lipnitsky Attack | FIDE World Youth Chess Championships 2026 | O14 | 77 | Ver |
| 24 jun 2026 | Gabadadze, Gabriel 2147 | Mamikonyan, Artem T 2210 | 0-1 | B51 Defensa Siciliana: Moscow Variation | FIDE World Youth Chess Championships 2026 | O14 | 30 | Ver |
| 23 jun 2026 | Mamikonyan, Artem T 2210 | Marchand, Calix 2127 | 1-0 | B45 Defensa Siciliana: Four Knights Variation, Cobra Variation | FIDE World Youth Chess Championships 2026 | O14 | 49 | Ver |
| 22 jun 2026 | Baisalbekov, Maksat 2053 | Mamikonyan, Artem T 2210 | 0-1 | B11 Defensa Caro-Kann: Two Knights Attack, Mindeno Variation, Exchange Line | FIDE World Youth Chess Championships 2026 | O14 | 49 | Ver |
| 20 jun 2026 | Mamikonyan, Artem T 2210 | Sanchir, Munkhbat 2037 | 1-0 | C63 Apertura Española (Ruy López): Schliemann Defense | FIDE World Youth Chess Championships 2026 | O14 | 61 | Ver |
| 19 jun 2026 | Birmenko, Nikolay 2003 | Mamikonyan, Artem T 2210 | ½-½ | B72 Defensa Siciliana: Dragon Variation | FIDE World Youth Chess Championships 2026 | O14 | 49 | Ver |
| 18 jun 2026 | Mamikonyan, Artem T 2210 | Wites, Adam 2008 | ½-½ | C11 Defensa Francesa: Classical Variation | FIDE World Youth Chess Championships 2026 | O14 | 40 | Ver |
| 17 jun 2026 | Ambartsumian, Tyhran 2398 | Mamikonyan, Artem T 2210 | 1-0 | A28 Apertura Inglesa: King's English Variation, Four Knights Variation, Quiet Line | FIDE World Youth Chess Championships 2026 | O14 | 49 | Ver |
| 16 jun 2026 | Mamikonyan, Artem T 2210 | Livnansky, Tomas 2018 | 1-0 | C43 Defensa Petrov: Modern Attack, Center Variation | FIDE World Youth Chess Championships 2026 | O14 | 28 | Ver |
| 12 jun 2026 | Mamikonyan, Artem T 2210 | Radzimski, Antoni 2394 | 0-1 | B12 Defensa Caro-Kann: Advance Variation, Tal Variation | FIDE World Youth Chess Championships 2026 | O14 | 39 | Ver |
| 6 abr 2026 | Mamikonyan, Artem T 2234 | Miller, Eduard 2363 | ½-½ | C41 Defensa Philidor: Exchange Variation | Grenke Chess Festival 2026 Open | 57 | Ver |
| 3 abr 2026 | Mamikonyan, Artem T 2234 | Gupta, Abhijeet 2522 | 0-1 | B57 Defensa Siciliana: Classical Variation, Anti-Sozin Variation | Grenke Chess Festival 2026 Open | 60 | Ver |
| 14 feb 2026 | Mamikonyan, Artem T 2153 | Kushagra Mohan 2432 | ½-½ | C50 Apertura Italiana: Giuoco Pianissimo, Italian Four Knights Variation | International Chessopen Graz 2026 | 60 | Ver |
| 27 sep 2025 | Mamikonyan, Artem T 2053 | Bolashakov, Nurali 2209 | ½-½ | B53 Defensa Siciliana: Chekhover Variation | FIDE World Cadet Chess Championships 2025 | Open U12 | 46 | Ver |