Rating overview
Doubles
Latest μ
1,438
-22.0
- Lifetime high
- 1,460 · Sep 7, 2025
- Lifetime low
- 1,438 · Sep 10, 2025
- Cadence
- weekly
- Sample size
- 3
Iwona ZAKRZEWSKA
Country: POL
Iwona ZAKRZEWSKA
Doubles rating
1,218
Δ -22.0 recent
Matches tracked
2
Across rated competitions
Volatility
276
σ (lower is steadier)
Offset in effect: -220
Raw rating before offsets: 1,438. This ladder currently uses a baseline adjustment until inter-division data accumulates.
Learn how OpenRating calibrates ladders →Volatility
Consistency snapshot
- σ now
- 275.8
- 30 day change
- 0.0
- Inactive streak
- 52 days
- Status
- High
Recent streaks
- Losing stretchSep 7, 2025 – Sep 10, 2025 · 12 matches · Δ -369.3
Form guide
Performance windows
last_30d
0-0
- Matches
- 0
- Net Δ
- 0.0
- Avg Δ
- —
- Opp. μ
- —
- Last event
- —
last_90d
0-12
- Matches
- 12
- Net Δ
- -369.3
- Avg Δ
- -30.8
- Opp. μ
- —
- Last event
- Sep 10, 2025
last_5_events
0-5
- Matches
- 5
- Net Δ
- -109.9
- Avg Δ
- -22.0
- Opp. μ
- —
- Last event
- Sep 10, 2025
Disciplines
Career breakdown
Doubles
- Matches
- 12
- Record
- 0-12
- Net Δ
- -369.3
- Current rank
- —
- Best rank
- —
- Last event
- Sep 10, 2025
Milestones
Career highlights
- Reached rating 1460.44Sep 7, 2025 · Δ -39.6
- Largest rating dropSep 7, 2025 · Δ -39.6