All-time Grandmasters
Biography of Marwitz, Jan
| Name: | Marwitz, Jan |
|---|---|
| Year of birth: | - |
| Country: | NED |
| Title: | - |
| Elo (approx.): | - |
| On Fide playerlist: | no |
| Tournament (1) | Final ranking |
|---|---|
| Hoogovenstoernooi 1947, Invitatiegroep, Round Robin | 9 |
| Name: | Marwitz, Jan |
|---|---|
| Year of birth: | - |
| Country: | NED |
| Title: | - |
| Elo (approx.): | - |
| On Fide playerlist: | no |
| Tournament (1) | Final ranking |
|---|---|
| Hoogovenstoernooi 1947, Invitatiegroep, Round Robin | 9 |