MatchPoint

Player profile

Erin Chamberlin’s NorCal tennis rating

Erin Chamberlin
USTA 4.5 · NorCal league player
4.11
current
▼ −0.33 this season

Other formats · don’t affect your rating above

Combo 3.86Mixed 3.96
USTA4.50
2026
19 matches
4.834.424.02
Jan · 4.50
Jun · 4.11
Sep 13 · Doubles−0.07
L M. Dolcini / M. Campbell
1-6,5-7 · 3D · with Sarah Hoffman
● Won ● Lost · Select a point to see that match.Your whole season is recalculated every night, so earlier points can shift as new results come in.

Current season

19 matches

Published NorCal results in 2026 — 13 scoring, 6 combo or mixed. Combo and mixed don’t affect NTRP ratings.

Sep 13, 2026 · Doubles · 3D · Combo

Lost 1-6,5-7
−0.07

Erin’s side

Erin ChamberlinCurrently on RAFAEL RC CW8.5A
3.86
Sarah Hoffman(partner)Currently on RAFAEL RC CW8.5A
3.73

Opponents

Marie DolciniCurrently on PETALUMA TA/CASA GRANDE HS CW8.5A
4.24
Mandy CampbellCurrently on ROLLING HILLS CW7.5A-DT
4.08
Combo rating 3.92 → 3.86Doubles result

Combo results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Jul 12, 2026 · Doubles · Mixed

Lost 4-6,6-7
−0.20

Erin’s side

Erin ChamberlinCurrently on RAFAEL RC CW8.5A
3.96
Chris Beard(partner)Currently on RAFAEL RC CM7.5A
3.54

Opponents

Colleen SonnebornCurrently on NOVATO TC/PIONEER PK 40MX8.0A
3.61
Bruno Luiz Ley SantosCurrently on ROHNERT PK TC/MAGNOLIA/M PK CM7.5A
3.58
Mixed rating 4.16 → 3.96Doubles result

Mixed results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Jul 5, 2026 · Doubles · Mixed

Won 6-2,4-6,1-0
+0.04

Erin’s side

Erin ChamberlinCurrently on RAFAEL RC CW8.5A
3.96
Chris Beard(partner)Currently on RAFAEL RC CM7.5A
3.54

Opponents

Derek BoorseCurrently on MARIN TC CM7.5B
3.56
Francie BurkhardCurrently on MARIN TC CW8.5B
3.61
Mixed rating 4.13 → 4.16Doubles result

Mixed results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Jun 28, 2026 · Doubles · Mixed

Won 7-6,6-2
+0.03

Erin’s side

Erin ChamberlinCurrently on RAFAEL RC CW8.5A
3.96
Stewart Clark(partner)Currently on RAFAEL RC CM7.5A
3.46

Opponents

Bradley FennerCurrently on BELVEDERE TC CM7.5A
3.38
Julie FlahertyCurrently on BELVEDERE TC CW7.5A
3.60
Mixed rating 4.10 → 4.13Doubles result

Mixed results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Jun 20, 2026 · Doubles · Mixed

Lost 0-6,3-6
−0.14

Erin’s side

Erin ChamberlinCurrently on RAFAEL RC CW8.5A
3.96
Matthew Alba(partner)Currently on RAFAEL RC CM7.5A
3.12

Opponents

Kris HinckleyCurrently on MARIN TC CW8.5A
3.92
Michael LustenbergerCurrently on MARIN TC CM8.5A
4.02
Mixed rating 4.24 → 4.10Doubles result

Mixed results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

Jun 14, 2026 · Doubles · Mixed

Lost 2-6,3-6
−0.13

Erin’s side

Erin ChamberlinCurrently on RAFAEL RC CW8.5A
3.96
Tommy Hellyer(partner)Currently on RAFAEL RC CM8.5A
3.84

Opponents

Jamin RuarkCurrently on WIKIUP R SC CM7.5A
4.21
Christine MooneyCurrently on WIKIUP R SC 40MX8.0A
4.16
Mixed rating 4.36 → 4.24Doubles result

Mixed results move their own rating, not your NTRP — USTA computes NTRP from adult singles and doubles only.

May 3, 2026 · Doubles

Lost 4-6,6-3,0-1
−0.07

Erin’s side

Erin ChamberlinCurrently on RAFAEL RC CW8.5A
4.11
Angela Downs(partner)Currently on RAFAEL RC CW8.5A
4.09

Opponents

Julianne GeeCurrently on ST MARY 40MX9.0A
4.33
Mia LeeCurrently on SAN FRAN ST U CW9.5A
4.31
Rating 4.52 → 4.45Doubles result

Mar 12, 2026 · Doubles

Won 6-3,6-0
+0.05

Erin’s side

Erin ChamberlinCurrently on RAFAEL RC CW8.5A
4.11
Robin Gluck(partner)Currently on PETALUMA TA/CASA GRANDE HS CW8.5A
4.68

Opponents

Laura SpenceCurrently on SCOTT VALLEY CW8.5A
4.04
Ann RobinsonCurrently on SCOTT VALLEY CW8.5A
3.79
Rating 4.67 → 4.73Doubles result
Best match
+0.17
Jan 11 vs C. Costamagna / V. Pinna
Worst match
−0.16
Feb 22 vs I. Beiswanger / J. Werner
Where you started ›4.44
2023 year-end NTRP 4.54.30
Scale calibration+0.14
Season start4.44
Your starting point comes from your official year-end NTRP, not from any third-party rating. The calibration is a fixed shift that puts our scale on the same level as NTRP.
▲
Combo and mixed matches aren’t included. This rating is built from standard men’s and women’s league play only — combo and mixed results feed your separate combo/mixed ratings, not this one.
Updated Sep 20

Erin Chamberlin’s MatchPoint NorCal tennis rating is 4.11, an independent estimate based on published NorCal league results through September 20, 2026. They are currently rostered on 3 active NorCal league teams.

MatchPoint ratings are estimates based on published USTA NorCal league results. Data through September 20, 2026.

Year-end re-anchoring
Pulled toward the 2024 year-end level+0.124.56
Pulled toward the 2025 year-end level+0.134.50

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