| Round 4 | Mon 27 Nov 23 |
| Aer Lingus | ½ – 4 ½ | DCU | ||||||
|---|---|---|---|---|---|---|---|---|
| Board | Colour | Player | Code | Rating | Result | Player | Code | Rating |
| 1 | Black | Quigley, Ben | 5218 | 1601 | 0 – 1 | O'Rourke, Emmet | 17725 | 1287 |
| 2 | White | Ui Laighleis, Gearoidin | 3364 | 1339 | 0 – 1 | Gunn, Conor | 19459 | 1216 |
| 3 | Black | McSwiney, Arthur | 1165 | 1153 | 0 – 1 | Nelson, Jacob | 19885 | 1223 |
| 4 | White | Kenny, Jim | 726 | 1127 | 0 – 1 | Luka, Jude | 19612 | 1153 |
| 5 | Black | Conneely, Andrew | 18034 | 964 | ½ – ½ | Williams, Henry | 19674 | 1287 |
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