| 3–7 Aug |
105th ICC 2026 - Weekday Open
Classical
FIDE-rated
Stillorgan Talbot Hotel, Co Dublin
|
Stillorgan Talbot Hotel, Co Dublin |
| 5–16 Aug |
European Junior U20 Chess Championship 2026
Classical
Junior International
FIDE-rated
Cetinje, Montenegro
|
Cetinje, Montenegro |
| 7 Aug |
Irish U20 & U12 Junior Blitz championship 2026
Blitz
Juniors only
FIDE-rated
Stillorgan Talbot Hotel, Co Dublin
|
Stillorgan Talbot Hotel, Co Dublin |
| 7–9 Aug |
105th ICC 2026 - Open Weekender, 50+, 65+
Classical
FIDE-rated
Stillorgan Talbot Hotel, Co Dublin
|
Stillorgan Talbot Hotel, Co Dublin |
| 9 Aug |
105th ICC 2026 - Open Blitz
Blitz
FIDE-rated
Stillorgan Talbot Hotel, Co Dublin
|
Stillorgan Talbot Hotel, Co Dublin |
| 15 Aug |
Sligo Rapid 2026
Rapid
FIDE-rated
Mercy College, Chapel Hill, Knocknaganny, Sligo, F91 CF80
|
Mercy College, Chapel Hill, Knocknaganny, Sligo, F91 CF80 |
| 17–26 Aug |
24th European Union Youth Chess Championship U8-14
Classical
Junior International
FIDE-rated
Rožnov pod Radhoštěm,Czech Republic
|
Rožnov pod Radhoštěm,Czech Republic |
| 23 Aug |
[PLACEHOLDER] Bray Rapid 2026
Rapid
FIDE-rated
Bray
|
Bray |
| 23 Aug |
4th Sunday Quad, Cork
Classical
FIDE-rated
Ballyphehane Community Centre, Cork
|
Ballyphehane Community Centre, Cork |
| 29–31 Aug |
Ulster Championships 2026
Classical
FIDE-rated
Blackmountain Shared Space, 280 Ballygomartin Road, Belfast, BT13 3NG
|
Blackmountain Shared Space, 280 Ballygomartin Road, Belfast, BT13 3NG |
| 30 Aug |
Dun Laoghaire Rapid 2026
Classical
Dun Laoghaire
|
Dun Laoghaire |
| 4–6 Sep |
City of Dublin 2026
Classical
FIDE-rated
Coláiste Éanna, Hillside Park, Rathfarnham, D16 E248, Co Dublin
|
Coláiste Éanna, Hillside Park, Rathfarnham, D16 E248, Co Dublin |
| 12–13 Sep |
2nd Cork Junior Chess Championship (U10)
Rapid
Juniors only
Ballyphehane Community Centre, Cork
|
Ballyphehane Community Centre, Cork |
| 12–13 Sep |
2nd Cork Junior Chess Championship (U14, U19)
Classical
Juniors only
FIDE-rated
Ballyphehane Community Centre, Cork
|
Ballyphehane Community Centre, Cork |
| 12–13 Sep |
Cork Senior Championship + Cork Open
Classical
FIDE-rated
Ballyphehane Community Centre, Cork
|
Ballyphehane Community Centre, Cork |
| 15 Sep |
FIDE RATED Aughamullan Rapid 2026
Rapid
FIDE-rated
Washingbay Centre, 92 Ballybeg Road, Aughamullan, Coalisland, County Tyrone, BT71 5DX
|
Washingbay Centre, 92 Ballybeg Road, Aughamullan, Coalisland, County Tyrone, BT71 5DX |
| 15–28 Sep |
46th Chess Olympiad 2026
Classical
Foreign
FIDE-rated
Samarkand, Uzbekistan
|
Samarkand, Uzbekistan |
| 19 Sep |
Connaught Rapid Open and U12 2026
Rapid
FIDE-rated
Sligo
|
Sligo |
| 22 Sep |
FIDE RATED Moira Autumn Blitz [10 rounds of 3+2]
Blitz
FIDE-rated
Moira Baptist Church, Henry Court, Moira, Northern Ireland, BT67 0NS
|
Moira Baptist Church, Henry Court, Moira, Northern Ireland, BT67 0NS |
| 27 Sep |
4th Sunday Quad, Cork
Classical
FIDE-rated
Ballyphehane Community Centre, Cork
|
Ballyphehane Community Centre, Cork |
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