Rating overview
Doubles
Latest μ
1,507
-17.3
- Lifetime high
- 1,698 · Jun 13, 2025
- Lifetime low
- 1,431 · Oct 7, 2024
- Cadence
- weekly
- Sample size
- 18
Josephine Zhao
Country: NZL
Josephine Zhao
Doubles rating
1,279
Δ -17.3 recent
Matches tracked
35
Across rated competitions
Volatility
84
σ (lower is steadier)
Offset in effect: -220
Raw rating before offsets: 1,499. This ladder currently uses a baseline adjustment until inter-division data accumulates.
Learn how OpenRating calibrates ladders →Volatility
Consistency snapshot
- σ now
- 84.1
- 30 day change
- +0.8
- Inactive streak
- 30 days
- Status
- High
Recent streaks
- Win streakJun 12, 2025 – Jun 13, 2025 · 24 matches · Δ +601.8
- Losing stretchFeb 13, 2024 – Oct 8, 2024 · 20 matches · Δ -677.1
Form guide
Performance windows
last_30d
0-0
- Matches
- 0
- Net Δ
- 0.0
- Avg Δ
- —
- Opp. μ
- —
- Last event
- —
last_90d
6-18
- Matches
- 24
- Net Δ
- -167.8
- Avg Δ
- -7.0
- Opp. μ
- —
- Last event
- Oct 2, 2025
last_5_events
0-5
- Matches
- 5
- Net Δ
- -40.0
- Avg Δ
- -8.0
- Opp. μ
- —
- Last event
- Oct 2, 2025
Disciplines
Career breakdown
Doubles
- Matches
- 188
- Record
- 83-105
- Net Δ
- -75.1
- Current rank
- —
- Best rank
- —
- Last event
- Oct 2, 2025
Milestones
Career highlights
- Reached rating 1698.11Jun 13, 2025 · Δ +11.0
- Largest rating gainFeb 12, 2024 · Δ +84.3
- Largest rating dropJun 17, 2025 · Δ -109.6