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Information
| Pairings & results
| Crosstable
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| 4th
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| 6th
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Round 5
11 July 1973
| Ó Briain (3) |
0-1 |
MacGrillen (4) |
| Henry (3) |
½-½ |
Cox (2½) |
| Cassidy (2½) |
½-½ |
Kennefick (2½) |
| Quigley (2½) |
0-1 |
Heidenfeld (2½) |
| McMahon (2) |
0-1 |
Doyle (2) |
| Coldrick (1½) |
½-½ |
Dennehy (2) |
| Littleton (1½) |
½-½ |
Blair (1½) |
| Kennedy (1) |
0-1 |
Cootes (1) |
| Cafferky (½) |
0-1 |
Pinkerton (½) |
Scores after round 5
| MacGrillen | 5 |
| Heidenfeld | 3½ |
| Henry | 3½ |
| Cassidy | 3 |
| Cox | 3 |
| Doyle | 3 |
| Kennefick | 3 |
| Ó Briain | 3 |
| Dennehy | 2½ |
| Quigley | 2½ |
| Blair | 2 |
| Coldrick | 2 |
| Cootes | 2 |
| Littleton | 2 |
| McMahon | 2 |
| Pinkerton | 1½ |
| Kennedy | 1 |
| Cafferky | ½ |