O'Sullivan, Oisin
Identity
- Title
- —
- Gender
- M
- Year of birth
- 2000
- Federation
- Ireland
- FIDE ID
- 2518082
- National ID
- 19592
- FIDE (STD)
- 1705
- National (STD)
- 1769
- Peak FIDE
- 1720 (2026)
- Peak National
- 1769 (2026)
Tournament rating snapshot: May 24, 2026
Tournament status
Rank:
5
(initial)
→
10
(final)
(-5 ▼)
| Played | W | D | L | Score | |
|---|---|---|---|---|---|
| 1 | 0 | 1 | 0 | ½ | |
| 2 | 1 | 1 | 0 | 1½ | |
| Total | 3 | 1 | 2 | 0 | 2 |
| Performance | Played | Score | Opp. avg | TPR | Xp | +/− |
|---|---|---|---|---|---|---|
| FIDE | 3 | 2 | 1766 | 1891 | 1.24 | 1+ |
| National | 3 | 2 | 1807 | 1932 | 1.34 | 1+ |
Games
| Rd | Bd | Col | Opponent | Fed | Score | FIDE | National | TB1 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rating | Xp | Δ | Rating | Xp | Δ | |||||||
| 1 | 3 | Machowski, Hubert | IRL | ½ | 1739 | 0.451 | +0.98 | 1826 | 0.419 | +1.63 | 1.25 | |
| 2 | 3 | Twomey, Pat | IRL | ½ | 1824 | 0.335 | +3.30 | 1806 | 0.447 | +1.06 | 0.50 | |
| 3 | 4 | Arun, Rahul | IRL | 1 | 1734 | 0.458 | +10.83 | 1790 | 0.470 | +10.60 | 0.50 | |
| Σ / μ | Σ 2 | μ 1766 | Σ 1.24 | Σ +15.11 | μ 1807 | Σ 1.34 | Σ +13.29 | 2.25 | ||||
TB1: Sonneborn-Berger (SB)