Rating overview
Singles
Latest μ
1,321
-50.5
- Lifetime high
- 1,419 · Sep 12, 2023
- Lifetime low
- 1,321 · Sep 8, 2025
- Cadence
- weekly
- Sample size
- 4
Marlies KIEFER
Country: GER
Marlies KIEFER
Singles rating
1,101
Δ -50.5 recent
Matches tracked
7
Across rated competitions
Volatility
240
σ (lower is steadier)
Offset in effect: -220
Raw rating before offsets: 1,321. This ladder currently uses a baseline adjustment until inter-division data accumulates.
Learn how OpenRating calibrates ladders →Volatility
Consistency snapshot
- σ now
- 239.6
- 30 day change
- 0.0
- Inactive streak
- 58 days
- Status
- High
Recent streaks
- Losing stretchSep 12, 2023 – Sep 8, 2025 · 4 matches · Δ -262.5
Form guide
Performance windows
last_30d
0-0
- Matches
- 0
- Net Δ
- 0.0
- Avg Δ
- —
- Opp. μ
- —
- Last event
- —
last_90d
0-2
- Matches
- 2
- Net Δ
- -101.1
- Avg Δ
- -50.5
- Opp. μ
- —
- Last event
- Sep 8, 2025
last_5_events
0-4
- Matches
- 4
- Net Δ
- -262.5
- Avg Δ
- -65.6
- Opp. μ
- —
- Last event
- Sep 8, 2025
Disciplines
Career breakdown
Singles
- Matches
- 4
- Record
- 0-4
- Net Δ
- -262.5
- Current rank
- —
- Best rank
- —
- Last event
- Sep 8, 2025
Milestones
Career highlights
- Reached rating 1419.27Sep 12, 2023 · Δ -80.7
- Largest rating dropSep 12, 2023 · Δ -80.7