Prepare against Conor O`reilly
Ireland · World #25,923 classical · FIDE ID 2517540
When preparing against Conor O`reilly, expect 1.e4 in 85% of White games. Against 1.e4 the reply is 1...e5 (73% of games); against 1.d4, 1...Nf6 (90%).
Our database contains 44 games by Conor O`reilly, covering Mar 2022 to Sep 2026. Below you'll find Conor O`reilly's most-played openings with White and Black, career performance record, notable wins and top events — everything you need to scout Conor O`reilly before a game. You can open the same data in the free interactive preparation workstation, which builds a move-by-move opening tree from every game.
Ratings
| Time control | Current | Peak | Peak date |
|---|---|---|---|
| Classical | 2,012 | 2,074 | Jan 2026 |
| Rapid | 1,831 | 1,831 | Sep 2026 |
| Blitz | 2,018 | 2,018 | Sep 2026 |
Performance record
| Split | Games | Wins | Draws | Losses | Win rate |
|---|---|---|---|---|---|
| Overall | 44 | 16 | 11 | 17 | 36.4% |
| As White | 20 | 9 | 4 | 7 | 45.0% |
| As Black | 24 | 7 | 7 | 10 | 29.2% |
Move-by-move preparation stats
Straight from the preparation tree built over all of Conor O`reilly's games — the same tree the interactive prep board lets you walk to any depth. Scores are from Conor O`reilly's side.
First moves as White (20 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e4 | 17 | 85.0% | 55.9% |
| Nf3 | 2 | 10.0% | 25.0% |
| d4 | 1 | 5.0% | 100.0% |
Main lines as White
- 1.e4 — 85% of White games, 55.9% score
- …e5 (29% of these games) — O`reilly usually continues Nf3 (70.0% score)
- …c5 (29% of these games) — O`reilly usually continues Nf3 (62.5% score)
- …e6 (12% of these games) — O`reilly usually continues d4 (75.0% score)
- 1.Nf3 — 10% of White games, 25.0% score
- …c5 (100% of these games) — O`reilly usually continues c4 (0.0% score)
As Black against 1.e4 (11 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| e5 | 8 | 72.7% | 50.0% |
| c5 | 3 | 27.3% | 33.3% |
As Black against 1.d4 (10 games)
| Move | Games | Share | Player score |
|---|---|---|---|
| Nf6 | 9 | 90.0% | 44.4% |
| d5 | 1 | 10.0% | 0.0% |
Conor O`reilly's chess games
All 44 games by Conor O`reilly in the Chess.ceo database (Mar 2022 - Sep 2026) are free to browse, search and replay: filter by opening, opponent, event or date on the player page, or step through any game on the analysis board. Record: 16 wins, 11 draws, 17 losses.
Openings as White
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| C77 | Ruy Lopez: Morphy Defense | 3 | 1/1/1 | 33.3% |
| C11 | French: Classical Variation | 2 | 1/1/0 | 50.0% |
| B10 | Caro-Kann: Endgame Variation | 2 | 0/0/2 | 0.0% |
| C41 | Philidor | 2 | 2/0/0 | 100.0% |
| B09 | Pirc Defense | 1 | 0/0/1 | 0.0% |
| A04 | Réti Opening | 1 | 0/1/0 | 0.0% |
| B53 | Sicilian | 1 | 0/1/0 | 0.0% |
| B23 | Sicilian: Closed | 1 | 1/0/0 | 100.0% |
| B40 | Sicilian: Four Knights | 1 | 1/0/0 | 100.0% |
| B90 | Sicilian: Najdorf | 1 | 0/0/1 | 0.0% |
Openings as Black
| ECO | Opening | Games | W/D/L | Win rate |
|---|---|---|---|---|
| E04 | Catalan | 5 | 2/2/1 | 40.0% |
| C42 | Petrov's Defense | 4 | 1/0/3 | 25.0% |
| B33 | Sicilian: Sveshnikov | 2 | 0/1/1 | 0.0% |
| C70 | Ruy Lopez: Morphy Defense | 2 | 2/0/0 | 100.0% |
| A50 | Indian Defense | 2 | 0/1/1 | 0.0% |
| D02 | London System | 1 | 0/0/1 | 0.0% |
| E46 | Nimzo-Indian: Rubinstein System | 1 | 0/1/0 | 0.0% |
| A21 | English Opening: Reverse Sicilian | 1 | 0/0/1 | 0.0% |
| A05 | Réti Opening | 1 | 0/1/0 | 0.0% |
| B50 | Sicilian | 1 | 0/1/0 | 0.0% |
Notable wins
| Date | Opponent | Elo | Event | ECO |
|---|---|---|---|---|
| Apr 2025 | Shane Melaugh | 2,182 | Dublin Easter International Open | C41 |
| Mar 2025 | Avyukt Dasgupta | 2,156 | 12th ChessMates Int | B40 |
| Feb 2025 | Michael Duke | 2,045 | Sligo Masters 2025 | C46 |
| Apr 2026 | Gordon Freeman | 2,010 | Irish National Club Championship 2026 | C41 |
| Apr 2025 | Cyro Pamplona Corte Real Neto | 1,960 | Dublin Easter International Open | B33 |
Top events
| Event | Year | Games | Score | TPR |
|---|---|---|---|---|
| 105th ch-IRL 2026 | 2026 | 9 | 4.5 | 1,969 |
| 103rd ch-IRL | 2024 | 8 | 2 | 1,764 |
| Dublin Easter International Open | 2025 | 6 | 3.5 | 2,213 |
| Glorney Cup 2026 | 2026 | 5 | 3.5 | 1,987 |
| Sligo Masters 2025 | 2025 | 5 | 3.5 | 2,205 |
| 12th ChessMates Int | 2025 | 5 | 1 | 1,741 |
| Irish National Club Championship 2026 | 2026 | 3 | 2 | 2,116 |
| Dublin Open | 2024 | 2 | 1 | 1,874 |
Interactive opening tree from all 44 games, weak-spot detection and engine analysis.
Start preparationFrequently asked questions
Where can I find Conor O`reilly's chess games?
44 games by Conor O`reilly, from Mar 2022 to Sep 2026, are free to browse and replay move by move — no signup needed. The preparation view groups them into an opening tree showing every line Conor O`reilly has played.
What does Conor O`reilly play on the first move as White?
Across 20 games with White in our database, Conor O`reilly opens with 1.e4 (85% of games), 1.Nf3 (10% of games), 1.d4 (5% of games). Against 1.e4 as Black, Conor O`reilly answers 1...e5 (73% of games), 1...c5 (27% of games). Against 1.d4: 1...Nf6 (90% of games), 1...d5 (10% of games).
What openings does Conor O`reilly play as White?
As White, Conor O`reilly's most-played openings in our database are: Ruy Lopez: Morphy Defense (3 games, 33.3% win rate); French: Classical Variation (2 games, 50.0% win rate); Caro-Kann: Endgame Variation (2 games, 0.0% win rate). The full breakdown of 20 games with White is in the table above.
What openings does Conor O`reilly play as Black?
As Black, Conor O`reilly most often plays: Catalan (5 games, 40.0% win rate); Petrov's Defense (4 games, 25.0% win rate); Sicilian: Sveshnikov (2 games, 0.0% win rate). See the table above for the top ten Black openings across 24 games.
What is Conor O`reilly's FIDE rating?
Conor O`reilly is currently rated 2,012 in classical chess, 1,831 in rapid and 2,018 in blitz. Peak classical rating: 2,074 (Jan 2026).
How many games has Conor O`reilly played?
Our database contains 44 games by Conor O`reilly, covering Mar 2022 to Sep 2026. Overall record: 16 wins, 11 draws, 17 losses (36.4% win rate).
How do I prepare against Conor O`reilly?
44 games by Conor O`reilly reveal their opening repertoire, most-played lines, and the variations where they score worst — the raw material for targeted preparation. The interactive opening tree lets you walk every line to any depth.