Rating overview
Doubles
Latest μ
1,677
-29.5
- Lifetime high
- 1,706 · Mar 8, 2025
- Lifetime low
- 1,540 · Mar 6, 2025
- Cadence
- weekly
- Sample size
- 4
Zi Han CAO
Country: CHN
Zi Han CAO
Doubles rating
1,463
Δ -29.5 recent
Matches tracked
9
Across rated competitions
Volatility
203
σ (lower is steadier)
Offset in effect: -220
Raw rating before offsets: 1,683. This ladder currently uses a baseline adjustment until inter-division data accumulates.
Learn how OpenRating calibrates ladders →Volatility
Consistency snapshot
- σ now
- 202.6
- 30 day change
- 0.0
- Inactive streak
- 237 days
- Status
- High
Recent streaks
- Win streakMar 6, 2025 – Mar 8, 2025 · 36 matches · Δ +1238.9
- Losing stretchMar 8, 2025 – Mar 8, 2025 · 6 matches · Δ -177.2
Form guide
Performance windows
last_30d
0-0
- Matches
- 0
- Net Δ
- 0.0
- Avg Δ
- —
- Opp. μ
- —
- Last event
- —
last_90d
0-0
- Matches
- 0
- Net Δ
- 0.0
- Avg Δ
- —
- Opp. μ
- —
- Last event
- —
last_5_events
0-5
- Matches
- 5
- Net Δ
- -89.6
- Avg Δ
- -17.9
- Opp. μ
- —
- Last event
- Mar 9, 2025
Disciplines
Career breakdown
Doubles
- Matches
- 54
- Record
- 42-12
- Net Δ
- +1096.6
- Current rank
- —
- Best rank
- —
- Last event
- Mar 9, 2025
Milestones
Career highlights
- Reached rating 1706.50Mar 8, 2025 · Δ +26.9
- Largest rating gainMar 7, 2025 · Δ +43.8
- Largest rating dropMar 8, 2025 · Δ -29.5