| Date | Chess tournament name | Status | ||
|---|---|---|---|---|
| No results | No results | No results | No results | No results |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| No results | No results | No results | No results | No results |
| Date | Players & Opening | Result | ECO | View |
|---|---|---|---|---|
| 2010.05.13 | Sieker, R. (2050) vs (2503) Schmittdiel, E. Open ch-State Sicilian |
0-1 | B30 | |
| 1991.01.01 | Steinke, H. vs Sieker, H. cr. Reti Gambit |
0-1 | A09 | |
| 1988.01.01 | Sieker, H. vs Schwieger, V. corr BdF/H King's Indian Classical - Petrosian (Stein) |
0-1 | E92 | |
| 1991.01.01 | Sieker, H. vs Holl, M. cr. Modern Benoni Pawn Storm (Taimanov) |
1/2-1/2 | A67 | |
| 1991.01.01 | Sieker, H. vs Pitule, E. cr. Nimzo-Indian Bernstein |
1-0 | E53 | |
| 1991.01.01 | Sieker, H. vs Schmidt, P. cr. Dutch Queen's Knight |
1-0 | A85 | |
| 1988.01.01 | Schwieger, V. vs Sieker, H. corr BdF/H Slav - Classical Exchange |
1/2-1/2 | D10 | |
| 1991.01.01 | Roger, M. vs Sieker, H. cr. Slav - Exchange |
0-1 | D45 | |
| 1987.01.01 | Laubersheimer vs Sieker Germany Sicilian Paulsen |
1-0 | B41 |