Willi Kessler
| White | Black | |
|---|---|---|
| M. Roth | Willi Kessler | View |
| Willi Kessler | Piero Antognini | View |
| Richard Bisig | Willi Kessler | View |
| Willi Kessler | Daniel Christen | View |
| White | Black | |
|---|---|---|
| M. Roth | Willi Kessler | View |
| Willi Kessler | Piero Antognini | View |
| Richard Bisig | Willi Kessler | View |
| Willi Kessler | Daniel Christen | View |