51 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Ostafiev, Cristina | Eriksson, Sanna | 0-1 | C00 | Round 3: Ostafiev, Cristina - Eriksson, Sanna | 2026-09-06 |
| Ostafiev, Cristina | Isurina Mariano, Cristine Rose | 1-0 | A02 | Round 9: Ostafiev, Cristina - Isurina Mariano, Cristine Rose | 2026-09-06 |
| Ostafiev, Cristina | Tetenkina, Irina | 1-0 | A02 | Round 3: Ostafiev, Cristina - Tetenkina, Irina | 2026-09-04 |
| Ostafiev, Cristina | Ostensson, Julia | 0-1 | A03 | Round 7: Ostafiev, Cristina - Ostensson, Julia | 2026-09-04 |
| Ostafiev, Cristina | Valcu, Lavinia | 0-1 | A08 | Round 7: Ostafiev, Cristina - Valcu, Lavinia | 2026-09-04 |
| Ostafiev, Cristina | Lang Sohl, Benjamin | 1/2-1/2 | C54 | Round 3: Ostafiev, Cristina - Lang Sohl, Benjamin | 2026-08-08 |
| Ostafiev, Cristina | Hedin Johansson, Frode | 1/2-1/2 | C42 | Round 1: Ostafiev, Cristina - Hedin Johansson, Frode | 2026-08-07 |
| Ostafiev, Cristina | Gidlund, Viggo | 1/2-1/2 | A08 | Round 5: Ostafiev, Cristina - Gidlund, Viggo | 2026-07-01 |
| Ostafiev, Cristina | Cedervall, Magnus | 1-0 | C55 | Round 6: Ostafiev, Cristina - Cedervall, Magnus | 2026-07-01 |
| Ostafiev, Cristina | Hamilton, Olov | 1-0 | A03 | Round 8: Ostafiev, Cristina - Hamilton, Olov | 2026-07-01 |
| Ostafiev, Cristina | Johansson, Per 1967 | 1-0 | A02 | Round 10: Ostafiev, Cristina - Johansson, Per 1967 | 2026-07-01 |
| Ostafiev, Cristina | Sathish, Githiha | 1-0 | C00 | Nordic girls chess championship 2026 | 2026-04-26 |
| Ostafiev, Cristina | Skramstad, Oda Kofoed | 0-1 | B32 | Nordic girls chess championship 2026 | 2026-04-25 |
| Ostafiev, Cristina | Krithi Muppirisett, Susen | 0-1 | B70 | Skol-SM 2025 Kalmar | 2025-10-11 |
| Ostafiev, Cristina | Ulmer, Maya Vissing | 1/2-1/2 | B15 | NM Piger Gruppe B | 2025-04-27 |
| Ostafiev, Cristina | Schmalholz, Tuva | 0-1 | C02 | NM Piger Gruppe B | 2025-04-26 |
| Ostafiev, Cristina | Skramstad, Oda Kofoed | 0-1 | B15 | NM Piger Gruppe B | 2025-04-25 |
| Ostafiev, Cristina | Lindberg, Cajsa | 1-0 | C02 | Dam-SM i snabbschack 2022 | 2022-09-04 |
| Ostafiev, Cristina | Mariano-Wagman, Cristine Rose | 0-1 | C00 | Dam-SM i snabbschack 2022 | 2022-09-04 |
| Ostafiev, Cristina | Cassidy Maina, Elizabeth | 1-0 | B23 | World Youth Cup 2021 O18-G10 - Girls 10 | 2021-08-16 |
| Ostafiev, Cristina | Mollo Figueroa, Nicole | 1-0 | B23 | World Youth Cup 2021 O18-G10 - Girls 10 | 2021-08-16 |
| Ostafiev, Cristina | Krushna Game, Vritika | 0-1 | B23 | World Youth Cup 2021 O18-G10 - Girls 10 | 2021-08-16 |
| Ostafiev, Cristina | Dalal, Dhanika | 1-0 | C01 | World Youth Cup 2021 O18-G10 - Girls 10 | 2021-08-16 |
| Ostafiev, Cristina | Diaskyzy, Daliya | 0-1 | B23 | World Youth Cup 2021 O18-G10 - Girls 10 | 2021-08-16 |