Minden Ravensberg-ch
Vlotho 1947
| Date | Players | Type | Elo Average | Games | Rounds |
| 1947 | 2 | Tourn | 1 | 7 |
| Name | ELO | Points | ||
| Haefner, Erich | 1.0 | |||
| Duenhaupt, Heinz Wilhelm | 0.0 | |||
Minden Ravensberg-ch Games
| White | Black | Result | Round | Date | Opening | View |
| Haefner, E | Duenhaupt, H | 1-0  |
? | 1947 | D18 Queen's Gambit Declined Slav, Dutch variation |   |