[
Information
| Pairings & results
| Crosstable
| 1st
| 2nd
| 3rd
| 4th
| 5th
| 6th
| 7th
| 8th
| 9th
| Openings
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]
Round 3
4 July 1964
| Cassidy (2) |
(1-0) |
Lewis, W. (2) |
| Heidenfeld (2) |
(1-0) |
O'Hare (2) |
| Cunnane (1½) |
(½-½) |
O'Riordan (1½) |
| Wilson (1½) |
(1-0) |
Ireton (1½) |
| Byrne (1) |
1-0 |
O'Leary (1) |
| O'Kane (1) |
(1-0) |
Cox (1) |
| Reilly (½) |
(1-0) |
Egan (1) |
| Coll (½) |
(1-0) |
Ó Siochrú (½) |
| Lewis, E. W. (½) |
(1-0) |
Collins (½) |
| Ballance (½) |
(1-0) |
Stewart (0) |
| Doyle (0) |
1 |
Bye |
Scores after round 3
| Cassidy | 3 |
| Heidenfeld | 3 |
| Wilson | 2½ |
| Byrne | 2 |
| Cunnane | 2 |
| Lewis, W. | 2 |
| O'Hare | 2 |
| O'Kane | 2 |
| O'Riordan | 2 |
| Ballance | 1½ |
| Coll | 1½ |
| Ireton | 1½ |
| Lewis, E. W. | 1½ |
| Reilly | 1½ |
| Cox | 1 |
| Doyle | 1 |
| Egan | 1 |
| O'Leary | 1 |
| Collins | ½ |
| Ó Siochrú | ½ |
| Stewart | 0 |