Rating overview
Doubles
Latest μ
1,693
-3.4
- Lifetime high
- 1,701 · Sep 25, 2025
- Lifetime low
- 1,428 · Apr 9, 2025
- Cadence
- weekly
- Sample size
- 82
Ching Hui Chang
Country: TPE
Ching Hui Chang
Doubles rating
1,473
Δ -3.4 recent
Matches tracked
156
Across rated competitions
Volatility
70
σ (lower is steadier)
Offset in effect: -220
Raw rating before offsets: 1,693. This ladder currently uses a baseline adjustment until inter-division data accumulates.
Learn how OpenRating calibrates ladders →Volatility
Consistency snapshot
- σ now
- 70
- 30 day change
- 0.0
- Inactive streak
- 24 days
- Status
- High
Recent streaks
- Win streakJun 19, 2024 – Jun 22, 2024 · 30 matches · Δ +267.7
- Losing stretchMay 14, 2025 – Jun 25, 2025 · 24 matches · Δ -108.6
Form guide
Performance windows
last_30d
0-7
- Matches
- 7
- Net Δ
- -71.5
- Avg Δ
- -10.2
- Opp. μ
- —
- Last event
- Oct 8, 2025
last_90d
12-25
- Matches
- 37
- Net Δ
- -4.2
- Avg Δ
- -0.1
- Opp. μ
- —
- Last event
- Oct 8, 2025
last_5_events
0-5
- Matches
- 5
- Net Δ
- -63.5
- Avg Δ
- -12.7
- Opp. μ
- —
- Last event
- Oct 8, 2025
Disciplines
Career breakdown
Doubles
- Matches
- 670
- Record
- 310-360
- Net Δ
- +962.5
- Current rank
- —
- Best rank
- —
- Last event
- Oct 8, 2025
Milestones
Career highlights
- Reached rating 1700.76Sep 25, 2025 · Δ +3.6
- Largest rating gainMay 6, 2025 · Δ +54.8
- Largest rating dropSep 13, 2023 · Δ -73.4