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Information
| Pairings & results
| Crosstable
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| 3rd
| 4th
| 5th
| 6th
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| 8th
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| Openings
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]
Round 4
10 July 1973
| MacGrillen (3) |
1-0 |
Henry (3) |
| Cox (2) |
½-½ |
Quigley (2) |
| Ó Briain (2) |
1-0 |
Doyle (2) |
| Kennefick (1½) |
1-0 |
McMahon (2) |
| Heidenfeld (1½) |
1-0 |
Coldrick (1½) |
| Blair (1) |
½-½ |
Dennehy (1½) |
| Cootes (1) |
0-1 |
Cassidy (1½) |
| Pinkerton (½) |
0-1 |
Littleton (½) |
| Cafferky (½) |
0-1 |
Kennedy (0) |
Scores after round 4
| MacGrillen | 4 |
| Henry | 3 |
| Ó Briain | 3 |
| Cassidy | 2½ |
| Cox | 2½ |
| Heidenfeld | 2½ |
| Kennefick | 2½ |
| Quigley | 2½ |
| Dennehy | 2 |
| Doyle | 2 |
| McMahon | 2 |
| Blair | 1½ |
| Coldrick | 1½ |
| Littleton | 1½ |
| Cootes | 1 |
| Kennedy | 1 |
| Cafferky | ½ |
| Pinkerton | ½ |