|
White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Donner, Jan Hein
|
|
Hartoch, Robert G
|
|
E69
|
1962
|
½-½
| 40 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
|
D35
|
1969
|
½-½
| 45 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
|
E74
|
1970
|
½-½
| 47 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
|
D86
|
1971
|
½-½
| 40 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
|
A79
|
1971
|
½-½
| 41 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
|
A77
|
1972
|
1-0
| 29 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
|
A79
|
1973
|
1-0
| 29 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
2365
|
E90
|
1976
|
1-0
| 42 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
2405
|
A65
|
1977
|
1-0
| 37 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
2395
|
D25
|
1979
|
½-½
| 31 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
2405
|
E70
|
1981
|
½-½
| 33 |
|
|
|
|
|