| Dates | Event name | Location |
|---|---|---|
| 31 Aug 2025 | The 13th Annual Dun Laoghaire Rapidplay | The Dun Laoghaire Chess Club, 3 Eblana Avenue, Dun Laoghaire, Co. Dublin |
| 5–7 Sep 2025 | The City of Dublin 2025 | Collaiste Eanna, Ballyroan, Rathfarnham, Co Dublin |
| 15–22 Sep 2025 | Online chess classes with GM Alex Baburin | Zoom |
| 18 Sep – 1 Oct 2025 | FIDE World Cadet U8, U10, U12 Championships 2025 | Almaty, KAZ |
| 20 Sep 2025 | Connaught Rapid Open and U12 | Merville Youth & Community Centre, Church Hill, Sligo, F91 X2WF |
| 20–21 Sep 2025 | [Placeholder] 1st Cork Junior Chess Championships | TBA Cork |
| 28 Sep 2025 | ICU AGM 2025 | Stillorgan Talbot Hotel, Co Dublin |
| 28 Sep 2025 | Irish Blitz and Rapid Championships 2025 | Stillorgan Talbot Hotel, Co Dublin |
| 3–5 Oct 2025 | The 33rd Cork Congress 2025 | Clayton Hotel Cork City, 10 Lapp's Quay, Cork, T12 RD6E |
| 3–16 Oct 2025 | FIDE World Youth U14, U16 & U18 Championships 2025 | Durres ,Albania |
| 4 Oct 2025 | Green Chess Flowers Cup | United Arts Club, 3 Upper Fitzwilliam Street, Dublin 2 |
| 4–15 Oct 2025 | European Teams Chess Championship 2025 | Batumi, Georgia |
| 12 Oct 2025 | Solas Irish Cancer FIDE Rapid Tournament | Dublin Road Business Park, Bracklone, Portarlington, Co. Laois, R32 RPX8 |
| 16–19 Oct 2025 | Dun Laoghaire CC 50th Anniversary Champion of Champions | Dun Laoghaire Chess Club |
| 17–19 Oct 2025 | The Eanna Classic 2025 | Collaiste Eanna, Ballyroan, Rathfarnham, Co Dublin |
| 24–27 Oct 2025 | Inaugural Irish Women’s Chess Festival 2025 | Talbot Hotel Stillorgan, Stillorgan Rd, Stillorgan, Dublin |
| 24–27 Oct 2025 | The Irish Women's Chess Championship 2025 | Talbot Hotel Stillorgan, Stillorgan Rd, Stillorgan, Dublin |
| 25 Oct 2025 | Malahide Rapid | St. Sylvester's Parish Centre, Malahide |
| 28 Oct – 8 Nov 2025 | European Youth Chess Championship 2025 | Budva, MNE |
| 31 Oct – 2 Nov 2025 | PLACEHOLDER The Limerick Open 2025 | TBA |
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