33 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Niemi, Kalle | Zhang, Yiming | 1/2-1/2 | B90 | Round 8: Niemi, Kalle - Zhang, Yiming | 2026-07-17 |
| Niemi, Kalle | Tumanov, Dmitri | 1-0 | C02 | Round 7: Niemi, Kalle - Tumanov, Dmitri | 2026-07-16 |
| Niemi, Kalle | Salmelin, Aaro | 1-0 | C79 | Round 2: Niemi, Kalle - Salmelin, Aaro | 2026-07-14 |
| Niemi, Kalle | Korneev, Oleg | 0-1 | B56 | Round 4: Niemi, Kalle - Korneev, Oleg | 2026-07-14 |
| Niemi, Kalle | Ponnio, Toni | 0-1 | B56 | Round 9: Niemi, Kalle - Ponnio, Toni | 2025-07-20 |
| Niemi, Kalle | Mashhadi Aghajan, Rayan | 1-0 | C78 | Round 5: Niemi, Kalle - Mashhadi Aghajan, Rayan | 2025-07-17 |
| Niemi, Kalle | Agopov, Mikael | 1/2-1/2 | B90 | Round 6: Niemi, Kalle - Agopov, Mikael | 2025-07-17 |
| Niemi, Kalle | Galperin, Platon | 1-0 | B46 | Round 3: Niemi, Kalle - Galperin, Platon | 2025-07-15 |
| Niemi, Kalle | Collander, Joel | 1-0 | B12 | Round 1: Niemi, Kalle - Collander, Joel | 2025-07-14 |
| Kalle Niemi | Mika Karttunen | 0-1 | B90 | Round 8: Kalle Niemi - Mika Karttunen | 2022-07-23 |
| Kalle Niemi | Bartlomiej Heberla | 0-1 | C46 | Round 5: Kalle Niemi - Bartlomiej Heberla | 2022-07-21 |
| Kalle Niemi | Robby Kevlishvili | 0-1 | B90 | Round 3: Kalle Niemi - Robby Kevlishvili | 2022-07-19 |
| Kalle Niemi | Pekka Köykkä | 1/2-1/2 | B38 | Round 5: Kalle Niemi - Pekka Köykkä | 2022-04-18 |
| Kalle Niemi | Vilka Sipilä | 0-1 | B42 | Round 7: Kalle Niemi - Vilka Sipilä | 2022-04-18 |
| Kalle Niemi | Jari Järvenpää | 1/2-1/2 | B33 | Round 9: Kalle Niemi - Jari Järvenpää | 2022-04-18 |
| Kalle Niemi | Erik Rönkä | 1/2-1/2 | B81 | Round 3: Kalle Niemi - Erik Rönkä | 2022-04-16 |
| Kalle Niemi | Vesa-Pekka Heinola | 1-0 | B28 | Round 1: Kalle Niemi - Vesa-Pekka Heinola | 2022-04-15 |