[
Information
| Pairings & results
| Crosstable
| 1st
| 2nd
| 3rd
| 4th
| 5th
| 6th
| 7th
| 8th
| 9th
| Openings
| Annotations
| Sources
]
Round 1
12 July 1980
| Delaney |
1-0 |
O'Hare |
| Cassidy |
0-1 |
Curtin |
| Ludgate |
½-½ |
Killane |
| O'Brien |
0-1 |
Wallace |
| McCarthy |
1-0 |
Lyons |
| Short |
½-½ |
McDonnell |
| Littleton |
½-½ |
Porter |
| O'Shea |
½-½ |
Allen |
| McGill |
½-½ |
McDaid |
| Clarke |
0-1 |
Quinn |
| Cronin |
0-1 |
O'Reilly |
| Carton |
1-0 |
Pinkerton |
Scores after round 1
| Carton | 1 |
| Curtin | 1 |
| Delaney | 1 |
| McCarthy | 1 |
| O'Reilly | 1 |
| Quinn | 1 |
| Wallace | 1 |
| Allen | ½ |
| Killane | ½ |
| Littleton | ½ |
| Ludgate | ½ |
| McDaid | ½ |
| McDonnell | ½ |
| McGill | ½ |
| O'Shea | ½ |
| Porter | ½ |
| Short | ½ |
| Cassidy | 0 |
| Clarke | 0 |
| Cronin | 0 |
| Lyons | 0 |
| O'Brien | 0 |
| O'Hare | 0 |
| Pinkerton | 0 |