50 games in the PremovedPrep archive. Games as White.
| White | Black | Result | ECO | Event | Date |
|---|---|---|---|---|---|
| Sieczkowski, Adam | Padalka, Artem | 1-0 | E11 | Najdorf Memorial | 2026-07-05 |
| Sieczkowski, Adam | Wierzbicki, Dawid | 0-1 | B06 | Najdorf Memorial | 2026-07-02 |
| Sieczkowski, Adam | Khamidov, Abdulla | 1/2-1/2 | A21 | Najdorf Memorial | 2026-06-30 |
| Sieczkowski, Adam | Pancewicz, Szymon | 1-0 | D02 | Najdorf Memorial | 2026-06-29 |
| Sieczkowski, Adam | Filev, Georgi | 0-1 | B74 | Macieja Memorial | 2026-06-27 |
| Sieczkowski, Adam | Hobson, Kenneth | 1-0 | E11 | Round 2: Sieczkowski, Adam - Hobson, Kenneth | 2026-01-31 |
| Sieczkowski, Adam | Fernandez, Michael | 0-1 | D11 | Round 3: Sieczkowski, Adam - Fernandez, Michael | 2026-01-31 |
| Sieczkowski, Adam | Hariharan, Shambavi | 1-0 | E41 | ECF Coventry International 2025 | 2025-10-31 |
| Sieczkowski, Adam | Okhai, Shabir | 0-1 | C77 | ECF Coventry International 2025 | 2025-10-30 |
| Sieczkowski, Adam | Pal, Rohan | 0-1 | D37 | ECF Coventry International 2025 | 2025-10-28 |
| Sieczkowski, Adam | Rami,Talab | 0-1 | D79 | Round 4: Sieczkowski, Adam - Rami,Talab | 2025-10-28 |
| Sieczkowski, Adam | Sasikumar, Srivathsan | 0-1 | D45 | Round 6: Sieczkowski, Adam - Sasikumar, Srivathsan | 2025-10-28 |
| Sieczkowski, Adam | Ward, Cian | 1-0 | C02 | Round 8: Sieczkowski, Adam - Ward, Cian | 2025-10-28 |
| Sieczkowski, Adam | Fellowes, Billy | 1-0 | B00 | ECF Coventry International 2025 | 2025-10-27 |
| Sieczkowski, Adam | Plat, Vojtech | 0-1 | A41 | Round 2: Sieczkowski, Adam - Plat, Vojtech | 2025-10-27 |
| Sieczkowski, Adam | Vijayakumar, Rishi | 0-1 | D38 | ECF Coventry International 2025 | 2025-10-26 |
| Adam Sieczkowski | Thomas D Moss | 0-1 | B06 | Round 5: Adam Sieczkowski - Thomas D Moss | 2022-11-06 |
| Adam Sieczkowski | Dimitrios Levon Zakarian | 0-1 | E06 | Round 3: Adam Sieczkowski - Dimitrios Levon Zakarian | 2022-11-05 |
| Sieczkowski, Adam | Sugden, John N | 1-0 | B12 | Round 2: Sieczkowski, Adam - Sugden, John N | |
| Sieczkowski, Adam | Bhatia, Kanishka | 1-0 | C91 | Round 4: Sieczkowski, Adam - Bhatia, Kanishka | |
| Sieczkowski, Adam | Nasiri, Fahim | 1-0 | D78 | Round 6: Sieczkowski, Adam - Nasiri, Fahim | |
| Sieczkowski, Adam | Pilley, Jack | 0-1 | E52 | Round 7: Sieczkowski, Adam - Pilley, Jack | |
| Sieczkowski, Adam | Hill, Andy | 1/2-1/2 | E63 | Round 1: Sieczkowski, Adam - Hill, Andy | |
| Sieczkowski, Adam | Sachdeva, Ronit | 1/2-1/2 | D78 | Round 3: Sieczkowski, Adam - Sachdeva, Ronit | |
| Sieczkowski, Adam | Coffey, Anthony | 1-0 | D34 | Round 5: Sieczkowski, Adam - Coffey, Anthony |