Du Berry, Ross

Identity
Title
—
Gender
M
Year of birth
2000
Federation
Ireland
FIDE ID
2519046
National ID
19186
FIDE (STD)
1932
National (STD)
1975
Peak FIDE
1932 (2026)
Peak National
1975 (2026)
Tournament rating snapshot: Nov. 6, 2026
Tournament status
Rank: 18 (initial) → 22 (final) (-4 ▼)
Played W D L Score
2 0 0 2 0
2 0 0 2 0
Byes (1) — — — — 1
Total 4 0 0 4 1
Performance Played Score Opp. avg TPR Xp +/−
FIDE 4 0 2018 1218 1.57 4-
National 4 0 2048 1248 1.63 4-
Games
Rd Bd Col Opponent Fed Score FIDE National TB1TB2TB3TB4
Rating Xp Δ Rating Xp Δ
1 6 FMQuinn, Rory IRL 0 2094 0.282 -5.65 2126 0.295 -7.09 — 3.00 0.00 0.00
2 12 — BYE 1 — — — — — — — 1.00 1.00 1.00
3 6 O'Cuilleanain, Oisin IRL 0 2168 0.205 -4.09 2203 0.212 -5.09 — 3.00 0.00 1.00
4 8 Heron, Lorcan IRL 0 1913 0.527 -10.55 1952 0.533 -12.79 — 3.00 0.00 1.00
5 10 Melling, Jonathon IRL 0 1896 0.552 -11.03 1913 0.588 -14.12 — 2.00 0.00 1.00
Σ / μ Σ 1 μ 2018 Σ 1.57 Σ -31.32 μ 2048 Σ 1.63 Σ -39.09 11.004.00
TB1: Direct Encounter — output: head-to-head sum (not a full ranking) (DE)
TB2: Buchholz — cut lowest 1 (BH/C1)
TB3: Sonneborn-Berger — cut lowest 1 (SB/C1)
TB4: Progressive Scores (PS)