Oisin O`sullivan
- FIDE ID
- 2518082
Player overview
Oisin O`sullivan’s highest recorded classical FIDE rating is 1743 (October 2026). On the November 2026 FIDE list, Oisin O`sullivan ranks #99426 worldwide and #501 in Ireland among active classical players.
FIDE rating history
View rating lists
FIDE tournaments
| Date | Tournament | Type | Score |
|---|---|---|---|
| 2026-10-25 | 4th Sunday Quad October, Cork | Classical | 1 |
| 2026-10-16 | Cork Congress 2026 - Maestros | Classical | 2 |
Available Games
Published games available in our archive; coverage varies by tournament. Archive last checked: 2026-11-09 (UTC).
Online games are identified from known tournament names, playing sites and PGN mode. Other games are listed as OTB (over-the-board).
| # | Date | Event | Site | Round | White | Black | Result | Moves | View |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2026-10-16 | Cork Congress 2026 | Maestros (1675-1849) | Cork, Ireland | 1.1 | Taylor-Hewins, Romani | O`sullivan, Oisin | 1/2-1/2 | 29 | Open |