| Dates | Event name | Location |
|---|---|---|
| 15 Mar 2026 | Éanna March Quad | Coláiste Éanna, Hillside Park, Rathfarnham, D16 E248, Co Dublin |
| 21 Mar 2026 | PLACEHOLDER Longford Rapid 2026 | Longford Arms Hotel |
| 22 Mar 2026 | [PROVISIONAL] Munster Senior League (Round 7 + Rapid) | Mitchelstown |
| 22 Mar 2026 | Armstrong Cup rounds 9/10 | Talbot Hotel Stillorgan |
| 22 Mar 2026 | Gens Una Sumus - March, FIDE-rated Rapid tournament | Blanchardstown |
| 22 Mar 2026 | Mick Germaine Cup 2026 | Artane Beaumont Family Recreation Centre, Kilmore Road, Artane, Dublin 5 |
| 27–29 Mar 2026 | [PLACEHOLDER I] The Irish Junior Championships 2026 | TBA |
| 10–12 Apr 2026 | [PLACEHOLDER II]The Irish Junior Championships 2026 | TBA |
| 19 Apr 2026 | Éanna April Rapid | Coláiste Éanna, Hillside Park, Rathfarnham, D16 E248, Co Dublin |
| 2–4 May 2026 | Malahide Millennium Tournament incorporating The Leinster Championships | Radisson Blu Dublin Airport Hotel |
| 10 May 2026 | Éanna May Rapid | Coláiste Éanna, Hillside Park, Rathfarnham, D16 E248, Co Dublin |
| 15–17 May 2026 | PLACEHOLDER Ennis Congress 2026 | Ennis |
| 30 May – 2 Jun 2026 | The Drogheda Chess Congress 2026 | St Mary's Parish Primary School, Bryanstown, Drogheda A92 XD80 |
| 26 Jul 2026 | Éanna Summer Freestyle Rapid | Coláiste Éanna, Hillside Park, Rathfarnham, D16 E248, Co Dublin |
| 9 Aug 2026 | Éanna Summer Quad | Coláiste Éanna, Hillside Park, Rathfarnham, D16 E248, Co Dublin |
| 2–4 Oct 2026 | The Éanna Classic 2026 | Coláiste Éanna, Hillside Park, Rathfarnham, D16 E248, Co Dublin |
| 16–18 Oct 2026 | The 34rd Cork Congress 2026 | Clayton Hotel Cork City, 10 Lapp's Quay, Cork, T12 RD6E |
| 23–26 Oct 2026 | [PLACEHOLDER] 2nd Annual Irish Women's Chess Festival 2026 | TBC |
| 30 Oct – 1 Nov 2026 | PLACEHOLDER The Limerick Open 2026 | TBA |
| 6–8 Nov 2026 | PLACEHOLDER The Limerick Open 2026 | TBA |
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