Rating overview
Singles
Latest μ
1,715
-36.2
- Lifetime high
- 1,752 · May 15, 2025
- Lifetime low
- 1,620 · Mar 20, 2025
- Cadence
- weekly
- Sample size
- 12
Anna Iwaki
Country: JPN
Anna Iwaki
Singles rating
1,495
Δ -36.2 recent
Matches tracked
10
Across rated competitions
Volatility
208
σ (lower is steadier)
Offset in effect: -220
Raw rating before offsets: 1,715. This ladder currently uses a baseline adjustment until inter-division data accumulates.
Learn how OpenRating calibrates ladders →Volatility
Consistency snapshot
- σ now
- 208.5
- 30 day change
- 0.0
- Inactive streak
- 33 days
- Status
- High
Recent streaks
- Win streakMar 20, 2025 – Mar 22, 2025 · 6 matches · Δ +491.3
- Losing stretchMar 22, 2025 – May 15, 2025 · 2 matches · Δ -64.6
Form guide
Performance windows
last_30d
0-0
- Matches
- 0
- Net Δ
- 0.0
- Avg Δ
- —
- Opp. μ
- —
- Last event
- —
last_90d
4-2
- Matches
- 6
- Net Δ
- +7.7
- Avg Δ
- +1.3
- Opp. μ
- —
- Last event
- Oct 3, 2025
last_5_events
3-2
- Matches
- 5
- Net Δ
- -7.6
- Avg Δ
- -1.5
- Opp. μ
- —
- Last event
- Oct 3, 2025
Disciplines
Career breakdown
Singles
- Matches
- 18
- Record
- 12-6
- Net Δ
- +378.9
- Current rank
- —
- Best rank
- —
- Last event
- Oct 3, 2025
Milestones
Career highlights
- Reached rating 1751.81May 15, 2025 · Δ +13.4
- Largest rating gainMar 20, 2025 · Δ +120.0
- Largest rating dropMay 16, 2025 · Δ -41.1