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Trina Cooprider

Salem, OR
3.5C year-end 2025
80 matches · 29W–51L · seasons 20192026
Bump probability
3.03.54.0lowhigh

Where this rating stands today. Taller means more likely. The dashed lines are the band edges, and the three shaded areas are the three percentages below.

3.36
estimated dynamic rating
Where the rating sits now, on 15 matches this season · USTA never publishes this number
0%
down to 3.0
96%
stay 3.5
4%
up to 4.0
Projected to December: 0% down · 99% stay · 1% up, from a year-end estimate of 3.31. Lower than today’s 3.36 because form regresses — players this far into their band partway through a season have historically finished nearer the middle of it. Keep playing at this level and the numbers above are the ones that hold.

A 3.5 runs from 3.01 to 3.50. This rating sits in the upper half of the band, and every match moves it.

Our estimate, not a USTA figure — scale measured at this point of 2023 on 2160 players. Graded publicly in December when USTA publishes year-end ratings. It moves when you play, and occasionally when we improve the model.

Where you rank
OR · 3.5
199 of 735

Trina is ranked among players at the same level in the same place, by our estimated dynamic rating — not the published level, which is the same for everyone in the band. Groups smaller than five are not ranked, because a placing out of two is noise dressed as standing.

Teams50 teams · 2008–2026
STSC-Trisha Rutherford
2026 Adult 18 & Over · 3.5 Women (A18)
2026
S OR-STSC-Stahl
2026 Adult 55 & Over · 7.0 Women (A55)
2026
STSC-Wheeler Dealers
2026 Mixed 55 & Over · 7.0 Mixed (M55)
2026
STSC-Spice of Life
2025 Adult 40 & Over · 3.5 Women
2025
STSC-Wheeler Dealers
2025 Mixed 55 & Over · 7.0 Mixed
2025
STSC-Fletcher
2025 Adult 18 & Over · 4.0 Women
2025
Over timerating by season, and how you rank
Rating by season

Trina has played at 4.0, 3.5 across 7 seasons — 0 moves up and 1 down.

3.03.54.02019202020212022202420252026

The line is our estimate; the horizontal lines are level boundaries, so crossing one is a bump. Hollow points are years we inferred from the level played the following season, because USTA publishes a current rating but no history.

How you rank at your level
At 4.0, Trina has gone from the 24th to the 22nd percentile of players at that level, 2020 to 2022.

Percentile compares the same level in the same season, by share of games won. Mixed is shown for context — USTA rules exclude it from your adult rating unless mixed is all you play.

By level6 levels played
3.5
50%
3W–3L · 50.5% of games
4.0
30%
9W–21L · 41.7% of games
4.5
0%
0W–5L · 25.9% of games
7.0
75%
6W–2L · 60% of games
7.0mixed
46.2%
6W–7L · 43% of games
8.0mixed
0%
0W–5L · 17.8% of games

Games won matters more than matches won — NTRP adjusts on margins.

Match history80 matches
L
2026-06-27 · #3 Doubles · with Kathy Stahl
0.046below expectation — took 38% of games against 58% expected
6-0, 3-6, 1-0
L
Karen Henderson / Patti Marvelchamps
2026-06-27 · #3 Doubles · with Kathy Stahl
0.019below expectation — took 35% of games against 45% expected
6-2, 7-5
W
Anya Stekoll / Asa Watts
2026-06-07 · #3 Doubles · 3.5 · with Jill Ainsworth
0.002about as expected — took 63% of games against 61% expected
6-3, 6-4
L
Paul Wulf / Janelle Leavellchamps
2026-05-31 · #2 Doubles · with David Barlow
+0.017about as expected — took 40% of games against 36% expected
6-4, 6-4
W
Mickey Hatley / Annette Hatleymixed
2026-05-30 · #3 Doubles · 7.0 · with Gary Wheeler
+0.000better than expected — took 62% of games against 46% expected
7-5, 6-3
L
Shikha Gottfried / Herky Gottfriedmixed
2026-05-30 · #3 Doubles · 7.0 · with Jay Brown
+0.000below expectation — took 38% of games against 44% expected
7-6, 6-2
W
2026-05-29 · #2 Doubles · 7.0 · with David Barlow
+0.000about as expected — took 65% of games against 62% expected
7-5, 6-2
L
Megan Helfrich / Jen West
2026-05-16 · #3 Doubles · 3.5 · with Amy Caldwell
0.065below expectation — took 25% of games against 57% expected
6-1, 6-3
W
Lisa Adamczyk / Melissa Pohl
2026-04-11 · #2 Doubles · 3.5 · with Allison Koehnke
+0.036better than expected — took 80% of games against 59% expected
6-3, 6-0
L
Jennifer Ablow / Courtney Munther
2026-04-04 · #3 Doubles · 3.5 · with Allison Koehnke
0.025below expectation — took 47% of games against 57% expected
3-6, 6-3, 1-0
W
Nancy Chamberlain / Cheri Wulf
2025-11-22 · #2 Doubles · 7.0 · with Kathy Stahl
0.001about as expected — took 57% of games against 57% expected
6-4, 7-6
L
2025-11-15 · #1 Doubles · 7.0 · with Tiffany Bulgin
0.029below expectation — took 55% of games against 62% expected
7-6, 2-6, 1-0
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Not affiliated with or endorsed by the USTA. Rating shown is the published USTA year-end figure; match data is from USTA TennisLink.