White | Elo | Black | Elo | ECO | Year | Res. | # | | | |
O'Brien, John P
|
|
Dillon, Patrick
|
|
C02
|
1974
|
1-0
| 36 |
|
|
|
O'Brien, John P
|
|
Winning, Irineu
|
|
C45
|
2004
|
1-0
| 25 |
|
|
|
O'Brien, John P
|
|
Orpinas Konig, Claudio...
|
2220
|
B17
|
2004
|
1-0
| 44 |
|
|
|
O'Brien, John P
|
|
Diaz, Abner
|
|
B01
|
2004
|
1-0
| 43 |
|
|
|
O'Brien, John P
|
|
Brown, Guy
|
|
B06
|
2004
|
1-0
| 34 |
|
|
|
O'Brien, John P
|
|
Neuzil, Torey G
|
|
B18
|
2004
|
1-0
| 40 |
|
|
|