Denis O`Connell
IRL · FIDE ID 2505860 · 16 tournament games since 2022
Standard
1720
#520 in IRL (active)
Rapid
1804
#243 in IRL (active)
Blitz
1757
#299 in IRL (active)
Score
47%
6 W · 3 D · 7 L
Opp. avg
1775
Last 16 games
Last game
2026-02-01
Sligo Chess & Culture Festival - Weekender Championship
Prep summary
- As White: 1.d4 in 44% of games (scores 25%), otherwise 1.e4 (44%).
- By colour: 39% with White, 57% with Black.
Based on 16 over-the-board games (6 classical). 9 with White (39%), 7 with Black (57%).
Openings as White
First move
| 1.d4 | 4 | 25% |
| 1.e4 | 4 | 50% |
| 1.a3 | 1 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Queen's Pawn Game: Chigorin Variation, Irish Gambit | 1 | 0% |
| Polish Defense | 1 | 0% |
| Rapport-Jobava System | 1 | 100% |
| Pirc Defense: Byrne Variation | 1 | 0% |
| Sicilian Defense: Alapin Variation | 1 | 0% |
Openings as Black
Against 1.e4 (2 games)
| 1...d5 Scandinavian Defense | 2 | 50% |
Against 1.d4 (2 games)
| 1...e6 Horwitz Defense | 1 | 100% |
| 1...d5 Queen's Pawn Game | 1 | 50% |
Most played
| Opening | Games | Score |
|---|---|---|
| Nimzo-Larsen Attack: Classical Variation | 1 | 100% |
| Queen's Pawn Game: London System, with e6 | 1 | 100% |
| English Opening: Agincourt Defense | 1 | 50% |
| Scandinavian Defense: Portuguese Gambit, Classical Variation | 1 | 100% |
| Bird Opening: From's Gambit | 1 | 0% |
Recent games
| Date | Opponent and event | Result |
|---|---|---|
| 2026-02-01 | Saiansh Biswal (1698) Sligo Chess & Culture Festival - Weekender Championship · classical | L |
| 2026-02-01 | Jarek Wieczorek (1744) Sligo Chess & Culture Festival - Weekender Championship · classical | W |
| 2025-10-17 | Gerda Nevska (1798) 49th BWCI Guernsey International Chess Festival | Challengers | L |
| 2025-02-02 | Conor Sheehan (1897) The Sligo Tournament 2025 | Challenger · classical | W |
| 2025-02-02 | Oisin Hourican (1643) The Sligo Tournament 2025 | Championship · classical | W |
| 2025-02-01 | Cian Bergin (1814) The Sligo Tournament 2025 | Championship · classical | ½ |
| 2025-01-31 | Cody Coughlan (1834) The Sligo Tournament 2025 | Championship · classical | L |
| 2024-02-04 | Pat McCarrick Sligo Tournament 2024 | Championship | L |
| 2024-02-04 | John J McNamara Sligo Tournament 2024 | Championship | W |
| 2024-02-03 | Rahul Arun Sligo Tournament 2024 | Championship | W |
Data: FIDE rating list (October 2026 list; national ranks count active players) and tournament games broadcast on Lichess since 2020 (open data, CC0). Results are matched to FIDE players by name or FIDE ID and may be incomplete. This page shows public chess results only. Is this you and you want the page removed? Email chessmoose1@gmail.com and we remove it.