Rating overview
Doubles
Latest μ
1,555
+22.2
- Lifetime high
- 1,596 · Aug 27, 2024
- Lifetime low
- 1,522 · Aug 26, 2024
- Cadence
- weekly
- Sample size
- 4
Katja KIRN
Country: GER
Katja KIRN
Doubles rating
1,335
Δ -33.0 recent
Matches tracked
5
Across rated competitions
Volatility
249
σ (lower is steadier)
Offset in effect: -220
Raw rating before offsets: 1,555. This ladder currently uses a baseline adjustment until inter-division data accumulates.
Learn how OpenRating calibrates ladders →Volatility
Consistency snapshot
- σ now
- 249.4
- 30 day change
- 0.0
- Inactive streak
- 55 days
- Status
- High
Recent streaks
- Win streakAug 26, 2024 – Aug 28, 2024 · 10 matches · Δ +421.1
- Losing stretchAug 28, 2024 – Sep 7, 2025 · 10 matches · Δ -222.5
Form guide
Performance windows
last_30d
0-0
- Matches
- 0
- Net Δ
- 0.0
- Avg Δ
- —
- Opp. μ
- —
- Last event
- —
last_90d
6-0
- Matches
- 6
- Net Δ
- +146.0
- Avg Δ
- +24.3
- Opp. μ
- —
- Last event
- Sep 7, 2025
last_5_events
5-0
- Matches
- 5
- Net Δ
- +116.2
- Avg Δ
- +23.2
- Opp. μ
- —
- Last event
- Sep 7, 2025
Disciplines
Career breakdown
Doubles
- Matches
- 26
- Record
- 16-10
- Net Δ
- +344.6
- Current rank
- —
- Best rank
- —
- Last event
- Sep 7, 2025
Milestones
Career highlights
- Reached rating 1595.79Aug 27, 2024 · Δ +51.8
- Largest rating gainAug 27, 2024 · Δ +54.4
- Largest rating dropAug 29, 2024 · Δ -34.9