| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Schmittdiel vs V Tukmakov |
| 0-1 | 41 |
1987 |
Dortmund-A | C61 Ruy Lopez, Bird's Defense |
| 2. Schmittdiel vs Psakhis |
| 0-1 | 56 |
1989 |
Dortmund-A | C67 Ruy Lopez |
| 3. Schmittdiel vs Psakhis |
| ½-½ | 26 |
1990 |
Groningen op | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |
| 4. Schmittdiel vs Blatny |
| 1-0 | 33 |
1991 |
Altensteig | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 5. Schmittdiel vs S Smagin |
| ½-½ | 30 |
1991 |
Dortmund-A | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 6. Schmittdiel vs M Breutigam |
| 0-1 | 33 |
1997 |
Bundesliga 9697 | C63 Ruy Lopez, Schliemann Defense |
| 7. Schmittdiel vs Huebner |
| ½-½ | 61 |
2002 |
Bundesliga /03 | C69 Ruy Lopez, Exchange, Gligoric Variation, 6.d4 |