White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Espig, Lutz
|
|
Hartoch, Robert G
|
|
B23
|
1969
|
1-0
| 52 |
|
|
|
Camilleri, Henry
|
|
Hartoch, Robert G
|
|
B23
|
1969
|
½-½
| 20 |
|
|
|
Ammann, Walter
|
|
Hartoch, Robert G
|
|
B23
|
1971
|
0-1
| 24 |
|
|
|
Medina Garcia, Antonio...
|
2420
|
Hartoch, Robert G
|
2400
|
B23
|
1972
|
½-½
| 28 |
|
|
|
Watson, William N
|
2460
|
Hartoch, Robert G
|
2360
|
B23
|
1985
|
½-½
| 17 |
|
|
|
Abeln, Michiel
|
|
Hartoch, Robert G
|
2345
|
B23
|
1992
|
½-½
| 19 |
|
|
|
Bosboom, Manuel
|
2440
|
Hartoch, Robert G
|
2345
|
B23
|
1993
|
0-1
| 51 |
|
|
|