O'Mahony, David
Identity
- Title
- —
- Gender
- M
- Year of birth
- 1975
- Federation
- Ireland
- FIDE ID
- —
- National ID
- 1297
- FIDE (STD)
- —
- National (STD)
- 1400
- Peak FIDE
- —
- Peak National
- 1732 (2026)
Tournament rating snapshot: Sept. 27, 2026
Tournament status
Rank:
33
(initial)
→
37
(final)
(-4 ▼)
| Played | W | D | L | Score | |
|---|---|---|---|---|---|
| 2 | 0 | 1 | 1 | ½ | |
| 1 | 0 | 0 | 1 | 0 | |
| Total | 3 | 0 | 1 | 2 | ½ |
| Performance | Played | Score | Opp. avg | TPR | Xp | +/− |
|---|---|---|---|---|---|---|
| FIDE | 3 | ½ | 1696 | 1423 | — | 2- |
| National | 3 | ½ | 1707 | 1434 | 0.44 | 2- |
Games
| Rd | Bd | Col | Opponent | Fed | Score | FIDE | National | TB1 | TB2 | TB3 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rating | Xp | Δ | Rating | Xp | Δ | |||||||||
| 1 | 9 | Aziz, Miro | IRL | 0 | 1718 | — | — | 1725 | 0.133 | -3.20 | — | 0.00 | — | |
| 2 | 9 | O'Rourke, Alex | IRL | ½ | 1700 | — | — | 1695 | 0.155 | +8.29 | — | 0.75 | — | |
| 3 | 9 | Johannesson, Bjorn | NED | 0 | 1671 | — | — | 1701 | 0.150 | -3.60 | — | 0.00 | — | |
| Σ / μ | Σ ½ | μ 1696 | — | — | μ 1707 | Σ 0.44 | Σ +1.49 | 0.75 | 0.50 | |||||
TB1: Direct Encounter (DE)
TB2: Sonneborn-Berger (SB)
TB3: Koya System (KS)