| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. K H Maeder vs Timman |
| 1-0 | 30 |
1967 |
Groningen Ech-jr | C04 French, Tarrasch, Guimard Main line |
| 2. Ribli vs K H Maeder |
| 0-1 | 37 |
1969 |
Groningen | B93 Sicilian, Najdorf, 6.f4 |
| 3. K H Maeder vs Timman |
| 1-0 | 31 |
1969 |
Krefeld DE-NED | B04 Alekhine's Defense, Modern |
| 4. K H Maeder vs Ribli |
| 1-0 | 29 |
1969 |
Groningen | B33 Sicilian |
| 5. W Seeliger vs K H Maeder |
| 0-1 | 26 |
1978 |
corr-10 WCH | B87 Sicilian, Fischer-Sozin with ...a6 and ...b5 |
| 6. K H Maeder vs J Muhana |
| 1-0 | 55 |
1978 |
corr-10 WCH | B45 Sicilian, Taimanov |
| 7. K H Maeder vs K Engel |
| 1-0 | 16 |
1978 |
corr-10 WCH | B16 Caro-Kann, Bronstein-Larsen Variation |
| 8. G Sanakoev vs K H Maeder |
 | 0-1 | 64 |
1978 |
corr-10 WCH | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 9. H Sorensen vs K H Maeder |
| 0-1 | 26 |
1978 |
corr-10 WCH | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 10. J Svenningsson vs K H Maeder |
| 0-1 | 34 |
1978 |
corr-10 WCH | E77 King's Indian |
