White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
De Rooi, Paul
|
|
Hartoch, Robert G
|
|
E90
|
1965
|
½-½
| 66 |
|
|
|
Uhlmann, Wolfgang
|
|
Hartoch, Robert G
|
|
E90
|
1970
|
1-0
| 74 |
|
|
|
Malich, Burkhard
|
|
Hartoch, Robert G
|
|
E90
|
1972
|
½-½
| 30 |
|
|
|
Timman, Jan H
|
|
Hartoch, Robert G
|
|
E90
|
1975
|
½-½
| 16 |
|
|
|
Schiffer, Karl Josef
|
|
Hartoch, Robert G
|
|
E90
|
1975
|
½-½
| 50 |
|
|
|
Kushnir, Alla
|
2365
|
Hartoch, Robert G
|
2365
|
E90
|
1976
|
½-½
| 29 |
|
|
|
Donner, Jan Hein
|
|
Hartoch, Robert G
|
2365
|
E90
|
1976
|
1-0
| 42 |
|
|
|
Rodriguez Cespedes, Am...
|
|
Hartoch, Robert G
|
2405
|
E90
|
1978
|
½-½
| 50 |
|
|
|
Grooten, Herman
|
2345
|
Hartoch, Robert G
|
2360
|
E90
|
1985
|
0-1
| 37 |
|
|
|
Vogel, Jaap
|
2254
|
Hartoch, Robert G
|
2228
|
E90
|
2008
|
½-½
| 8 |
|
|
|