|
White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Zuidema, Coen
|
|
Hartoch, Robert G
|
|
B47
|
1970
|
½-½
| 15 |
|
|
|
Zinn, Lothar
|
|
Hartoch, Robert G
|
|
B47
|
1970
|
½-½
| 17 |
|
|
|
Kostro, Jerzy
|
|
Hartoch, Robert G
|
|
B47
|
1971
|
½-½
| 30 |
|
|
|
Cortlever, Nicolaas
|
|
Hartoch, Robert G
|
|
B47
|
1973
|
1-0
| 35 |
|
|
|
Ligterink, Gert
|
|
Hartoch, Robert G
|
|
B47
|
1974
|
0-1
| 40 |
|
|
|
|
|