Rating overview
Singles
Latest μ
1,516
-13.2
- Lifetime high
- 1,613 · Apr 25, 2023
- Lifetime low
- 1,391 · Oct 30, 2024
- Cadence
- weekly
- Sample size
- 46
Sum Yee Yeung
Country: HKG
Sum Yee Yeung
Singles rating
1,296
Δ -13.2 recent
Matches tracked
41
Across rated competitions
Volatility
79
σ (lower is steadier)
Offset in effect: -220
Raw rating before offsets: 1,516. This ladder currently uses a baseline adjustment until inter-division data accumulates.
Learn how OpenRating calibrates ladders →Volatility
Consistency snapshot
- σ now
- 79
- 30 day change
- 0.0
- Inactive streak
- 43 days
- Status
- High
Recent streaks
- Win streakApr 25, 2023 – Apr 26, 2023 · 4 matches · Δ +220.5
- Losing stretchAug 5, 2023 – May 14, 2024 · 14 matches · Δ -263.8
Form guide
Performance windows
last_30d
0-0
- Matches
- 0
- Net Δ
- 0.0
- Avg Δ
- —
- Opp. μ
- —
- Last event
- —
last_90d
4-8
- Matches
- 12
- Net Δ
- +123.4
- Avg Δ
- +10.3
- Opp. μ
- —
- Last event
- Sep 23, 2025
last_5_events
2-3
- Matches
- 5
- Net Δ
- +92.7
- Avg Δ
- +18.5
- Opp. μ
- —
- Last event
- Sep 23, 2025
Disciplines
Career breakdown
Singles
- Matches
- 80
- Record
- 28-52
- Net Δ
- +78.2
- Current rank
- —
- Best rank
- —
- Last event
- Sep 23, 2025
Milestones
Career highlights
- Reached rating 1612.90Apr 25, 2023 · Δ +30.3
- Largest rating gainMar 8, 2023 · Δ +129.4
- Largest rating dropApr 26, 2023 · Δ -153.2