White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
Trevelyan, Clive
|
|
Orr, Mark JL
|
|
D36
|
1975
|
½-½
| 20 |
|
|
|
Wiley, Tom E
|
2215
|
Orr, Mark JL
|
2320
|
D36
|
1985
|
½-½
| 30 |
|
|
|
Arkell, Keith C
|
2425
|
Orr, Mark JL
|
2345
|
D36
|
1988
|
1-0
| 71 |
|
|
|
Portisch, Lajos
|
2630
|
Orr, Mark JL
|
2275
|
D36
|
1988
|
1-0
| 48 |
|
|
|
Williams, Arthur Howar...
|
2330
|
Orr, Mark JL
|
2380
|
D36
|
1992
|
1-0
| 39 |
|
|
|
Ho, Van Huynh
|
2360
|
Orr, Mark JL
|
2380
|
D36
|
1992
|
1-0
| 100 |
|
|
|
Murshed, Niaz
|
2520
|
Orr, Mark JL
|
2370
|
D36
|
1994
|
1-0
| 42 |
|
|
|