| 29 ago 2026 | Cosman, Andreea-Marioara 2187 | Arakhamia-Grant, Ketevan 2270 | 1-0 | E61 King's Indian Defense | 11th Menchik Memorial | 64 | Ver |
| 28 ago 2026 | Subramanian, Anusha 2016 | Cosman, Andreea-Marioara 2187 | 1-0 | B22 Sicilian Defense: Alapin Variation | 11th Menchik Memorial | 48 | Ver |
| 28 ago 2026 | Cosman, Andreea-Marioara 2187 | Kulon, Klaudia 2395 | ½-½ | A05 Zukertort Opening: Nimzo-Larsen Variation | 11th Menchik Memorial | 24 | Ver |
| 27 ago 2026 | Schulze, Lara 2345 | Cosman, Andreea-Marioara 2187 | 0-1 | B53 Sicilian Defense: Chekhover Variation | 11th Menchik Memorial | 39 | Ver |
| 27 ago 2026 | Cosman, Andreea-Marioara 2187 | Hariharan, Shambavi 2103 | ½-½ | A15 English Opening: Anglo-Indian Defense, King's Knight Variation | 11th Menchik Memorial | 30 | Ver |
| 25 ago 2026 | Cosman, Andreea-Marioara 2187 | Hryshchenko, Kamila 2131 | ½-½ | A41 Rat Defense: English Rat | 11th Menchik Memorial | 40 | Ver |
| 25 ago 2026 | Mirzoeva, Elmira 2261 | Cosman, Andreea-Marioara 2187 | 0-1 | B20 Sicilian Defense | 11th Menchik Memorial | 74 | Ver |
| 24 ago 2026 | Cosman, Andreea-Marioara 2187 | Haussernot, Cecile 2248 | ½-½ | A04 Zukertort Opening: Queenside Fianchetto Variation | 11th Menchik Memorial | 36 | Ver |
| 13 ago 2026 | Dwilewicz, Katarzyna 2152 | Cosman, Andreea-Marioara 2187 | 0-1 | B11 Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | 11th Menchik Memorial | 33 | Ver |
| 1 ago 2026 | Psyk, Radoslaw 2413 | Cosman, Andreea-Marioara 2201 | 1-0 | B22 Sicilian Defense: Delayed Alapin Variation | Alba Grand Prix Rapid 2026 | 57 | Ver |
| 10 may 2026 | Cosman, Andreea-Marioara 2171 | Nikolov, Momchil 2499 | 0-1 | A30 English Opening: Symmetrical Variation | Bucharest Grand Prix 2026 | 40 | Ver |
| 9 may 2026 | Cosman, Andreea-Marioara 2171 | Henriquez Villagra, Cristobal 2605 | 0-1 | A12 Réti Opening: Anglo-Slav Variation, London Defensive System | Bucharest Grand Prix 2026 | 49 | Ver |
| 21 feb 2026 | Cosman, Andreea-Marioara 2152 | Ovezdurdyyeva, Jemal 2201 | 1-0 | A04 Zukertort Opening: Sicilian Invitation | Romanian Championships 2026 | Women | 37 | Ver |
| 20 feb 2026 | Maria, Lia-Alexandra 2091 | Cosman, Andreea-Marioara 2152 | 0-1 | B50 Sicilian Defense: Modern Variations | Romanian Championships 2026 | Women | 37 | Ver |
| 19 feb 2026 | Cosman, Andreea-Marioara 2152 | Cosma, Elena-Luminita 2239 | ½-½ | A06 Zukertort Opening | Romanian Championships 2026 | Women | 8 | Ver |
| 18 feb 2026 | Cosman, Andreea-Marioara 2152 | Ciolacu, Alessia-Mihaela 2037 | 1-0 | A06 Nimzo-Larsen Attack: Classical Variation | Romanian Championships 2026 | Women | 42 | Ver |
| 17 feb 2026 | Sunea, Sara Maria 2011 | Cosman, Andreea-Marioara 2152 | ½-½ | A30 English Opening: Symmetrical Variation | Romanian Championships 2026 | Women | 28 | Ver |
| 16 feb 2026 | Peptan, Corina-Isabela 2298 | Cosman, Andreea-Marioara 2152 | ½-½ | A33 English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | Romanian Championships 2026 | Women | 9 | Ver |
| 16 feb 2026 | Cosman, Andreea-Marioara 2152 | Sgircea, Silvia-Raluca 2213 | ½-½ | D03 Queen's Pawn Game: Torre Attack | Romanian Championships 2026 | Women | 59 | Ver |
| 16 feb 2026 | Lehaci, Miruna-Daria 2258 | Cosman, Andreea-Marioara 2152 | ½-½ | B57 Sicilian Defense: Classical Variation, Sozin Attack | Romanian Championships 2026 | Women | 42 | Ver |
