44 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Costin, Alexandru | Poltorak, Sebastian | 0-1 | B10 | Round 6: Costin, Alexandru - Poltorak, Sebastian | 2024-08-08 |
| Costin, Alexandru | David, Alexandru-Vasile | 0-1 | B40 | Round 9: Costin, Alexandru - David, Alexandru-Vasile | 2024-08-04 |
| Alexandru Costin | David Gavrilescu | 0-1 | D37 | Round 1: Alexandru Costin - David Gavrilescu | 2023-12-03 |
| Alexandru Costin | Filip Magold | 0-1 | D02 | Round 3: Alexandru Costin - Filip Magold | 2023-12-03 |
| Alexandru Costin | Andrei Nicola | 1-0 | C00 | Round 5: Alexandru Costin - Andrei Nicola | 2023-12-03 |
| Alexandru Costin | Adrian-Simion Secheres | 0-1 | A04 | Round 6: Alexandru Costin - Adrian-Simion Secheres | 2023-12-03 |
| Alexandru Costin | Brianna-Delena Muntean | 1-0 | C56 | Round 3: Alexandru Costin - Brianna-Delena Muntean | 2023-12-02 |
| Alexandru Costin | Andrei Matei-Catruna | 0-1 | B50 | Round 1: Alexandru Costin - Andrei Matei-Catruna | 2023-12-02 |
| Alexandru Costin | Alin Stingu | 1/2-1/2 | D34 | Round 6: Alexandru Costin - Alin Stingu | 2023-12-02 |
| Alexandru Costin | Razvan Teodorescu | 0-1 | B22 | Round 7: Alexandru Costin - Razvan Teodorescu | 2023-12-02 |
| Alexandru Costin | Andrei-Stefan Sandu | 1-0 | C01 | Round 1: Alexandru Costin - Andrei-Stefan Sandu | 2023-12-01 |
| Alexandru Costin | Andrei Cazan | 1-0 | B06 | Round 3: Alexandru Costin - Andrei Cazan | 2023-12-01 |
| Alexandru Costin | Costica-Ciprian Nanu | 0-1 | A46 | Round 6: Alexandru Costin - Costica-Ciprian Nanu | 2023-12-01 |
| Alexandru Costin | Matei Zlate-Ion | 0-1 | A16 | Round 8: Alexandru Costin - Matei Zlate-Ion | 2023-12-01 |
| Alexandru Costin | David Cordea | 1-0 | B00 | Round 10: Alexandru Costin - David Cordea | 2023-12-01 |
| Alexandru Costin | Adrian-Simion Secheres | 1/2-1/2 | A49 | Round 5: Alexandru Costin - Adrian-Simion Secheres | 2023-11-05 |
| Alexandru Costin | Lucian-Ioan Filip | 0-1 | B21 | Round 7: Alexandru Costin - Lucian-Ioan Filip | 2023-11-05 |
| Alexandru Costin | Teodor-Cosmin Nedelcu | 1-0 | A30 | Round 9: Alexandru Costin - Teodor-Cosmin Nedelcu | 2023-11-05 |
| Alexandru Costin | Alin Ardeleanu | 1/2-1/2 | B07 | Round 8: Alexandru Costin - Alin Ardeleanu | 2023-07-21 |
| Alexandru Costin | Anna Kubicka | 1/2-1/2 | B21 | Round 6: Alexandru Costin - Anna Kubicka | 2023-07-19 |
| Alexandru Costin | Guy Levin | 1-0 | B10 | Round 4: Alexandru Costin - Guy Levin | 2023-07-18 |
| Alexandru Costin | Alexandru-Vasile David | 1-0 | B22 | Round 2: Alexandru Costin - Alexandru-Vasile David | 2023-07-17 |