White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Steiner, Herman
|
|
Donner, Jan Hein
|
|
E25
|
1950
|
½-½
| 41 |
|
|
|
Castillo Bermudez, Man...
|
|
Donner, Jan Hein
|
|
E25
|
1950
|
½-½
| 34 |
|
|
|
Botvinnik, Mikhail
|
|
Donner, Jan Hein
|
|
E25
|
1958
|
½-½
| 23 |
|
|
|
Germek, Milan
|
|
Donner, Jan Hein
|
|
E25
|
1961
|
1-0
| 40 |
|
|
|
Portisch, Lajos
|
|
Donner, Jan Hein
|
|
E25
|
1965
|
½-½
| 47 |
|
|
|