| Game | Result | Opening | Date |
|---|---|---|---|
| Costachi, Mihnea (2459) – Talu, Mircea (2348) | 1/2-1/2 | Queen's Gambit Declined: Ragozin Defense | 2026-10-05 |
| Srinath, Rao S.V. (2280) – Costachi, Mihnea (2459) | 1/2-1/2 | Petrov's Defense: Three Knights Game | 2026-10-04 |
| Costachi, Mihnea (2459) – Bologan, Victor (2590) | 0-1 | Bogo-Indian Defense: Wade-Smyslov Variation | 2026-10-03 |
| Perunovic, Milos (2560) – Costachi, Mihnea (2381) | 1-0 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | 2026-08-02 |
| Ratkovic, Petar (2151) – Costachi, Mihnea (2381) | 0-1 | Queen's Pawn Game: Barry Attack, Grünfeld Variation | 2026-08-02 |
| Craciun, Sasha-Matei (2256) – Costachi, Mihnea (2381) | 1/2-1/2 | Four Knights Game | 2026-08-02 |
| Costachi, Mihnea (2381) – Nedelea, Ariton-Vasile (2210) | 1-0 | Indian Defense: Anti-Nimzo-Indian | 2026-08-02 |
| Costachi, Mihnea (2381) – Lupulescu, Constantin (2524) | 1/2-1/2 | Queen's Gambit Declined: Barmen Variation | 2026-08-02 |
| Costachi, Mihnea (2381) – Veneteanu, Mihai (2091) | 1/2-1/2 | Neo-Grünfeld Defense: Classical Variation, Original Defense | 2026-08-01 |
| Balaban-Voia, Alexandru (2151) – Costachi, Mihnea (2381) | 0-1 | King's Indian Attack: Symmetrical Defense | 2026-08-01 |
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