White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Donaldson, John W
|
|
Ligterink, Gert
|
2440
|
B80
|
1978
|
0-1
| 46 |
|
|
|
Donaldson, John W
|
2340
|
Liberzon, Vladimir Mik...
|
2460
|
B80
|
1981
|
½-½
| 25 |
|
|
|
Donaldson, John W
|
2405
|
Tangborn, Eric
|
2290
|
B80
|
1983
|
½-½
| 25 |
|
|
|
Donaldson, John W
|
2405
|
Edwards, Derek
|
|
B80
|
1983
|
1-0
| 38 |
|
|
|
Donaldson, John W
|
2405
|
Heikkinen, Philip
|
|
B80
|
1983
|
1-0
| 29 |
|
|
|