Du Berry, Ross
Identity
- Title
- —
- Gender
- M
- Year of birth
- 2000
- Federation
- Ireland
- FIDE ID
- 2519046
- National ID
- 19186
- FIDE (STD)
- 1884
- National (STD)
- 1912
- Peak FIDE
- 1884 (2026)
- Peak National
- 1932 (2026)
Tournament rating snapshot: Aug. 23, 2026
Tournament status
Rank:
10
(initial)
→
24
(final)
(-14 ▼)
| Played | W | D | L | Score | |
|---|---|---|---|---|---|
| 2 | 0 | 2 | 0 | 1 | |
| 1 | 0 | 1 | 0 | ½ | |
| Total | 3 | 0 | 3 | 0 | 1½ |
| Performance | Played | Score | Opp. avg | TPR | Xp | +/− |
|---|---|---|---|---|---|---|
| FIDE | 3 | 1½ | 1802 | 1802 | 1.84 | 0 |
| National | 3 | 1½ | 1898 | 1898 | 1.56 | 0 |
Games
| Rd | Bd | Col | Opponent | Fed | Score | FIDE | National | TB1 | TB2 | TB3 | TB4 | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rating | Xp | Δ | Rating | Xp | Δ | ||||||||||
| 1 | 5 | Condon, Gerard | IRL | ½ | 1834 | 0.572 | -1.43 | 1894 | 0.526 | -0.62 | — | 0.25 | — | — | |
| 2 | 6 | Salmin, Vitaliy | IRL | ½ | 1787 | 0.636 | -2.72 | 1913 | 0.499 | +0.03 | 0.50 | 0.75 | — | — | |
| 3 | 6 | Machowski, Hubert | IRL | ½ | 1786 | 0.637 | -2.75 | 1888 | 0.535 | -0.83 | — | 1.25 | — | — | |
| Σ / μ | Σ 1½ | μ 1802 | Σ 1.84 | Σ -6.90 | μ 1898 | Σ 1.56 | Σ -1.42 | 2.25 | 1.00 | 1802.00 | |||||
TB1: Direct Encounter (DE)
TB2: Sonneborn-Berger (SB)
TB3: Koya System (KS)
TB4: Average Rating of Opponents (ARO)