Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2020) View Advanced Player Stats
brenda shaffer (Fountain Hills, AZ)
Female 		3.0 C
12/31/2023
Estimated Dynamic Rating 2.8711
10/22/2025
Projected Year End Rating ------
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3.0 Rating Meter
Rating Meter
2.5001 - 3.0000
Recent Match History Current Rating History
2020 Overall Rating Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 11 5 6 0 45.5 25 10 15 40.0 198 91 107 46.0 0
Adult 65+ 7.0 5 2 3 0 40.0 11 4 7 36.4 81 31 50 38.3 0
Adult Other 7.5 4 1 3 0 25.0 9 2 7 22.2 67 20 47 29.9 0
Total 20 8 12 0 40.0 45 16 29 35.6 346 142 204 41.0 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/11/2021 Adult 65+
7.0		 7.0 DCRV JenVanG W65F
Southwest		 D2 Vicki Wentz
(2.95) 		Carol Cohan
(3.65)
Susan Flanagan
(3.09) 		W 6-3
2-6
1-0		 3.42 3.16
11/01/2021 Adult 18+
3.5		 3.5 DCRV HollandPerrin W18Fday
Southwest		 D3 Deb Jensen
(3.41) 		Lisa Schreiber
(3.34)
Jeanette Jones
(3.44) 		L 6-3
6-0		 2.91 3.05
10/21/2021 Adult 65+
7.0		 7.0 DCRV JenVanG W65F
Southwest		 D1 Deb Jensen
(3.33) 		Pamela Dooly
(3.04)
Patti Schollenberger
(2.94) 		W 6-1
6-3		 3.16 3.12
10/18/2021 Adult 18+
3.5		 3.5 DCRV HollandPerrin W18Fday
Southwest		 D2 Deb Jensen
(3.37) 		Karen Haymond
(2.98)
Cheryl Humphreys
(3.08) 		W 5-7
6-3
1-0		 2.94 3.09
10/04/2021 Adult 18+
3.5		 3.5 DCRV HollandPerrin W18Fday
Southwest		 D2 Suzanne James
(3.07) 		Jillian English
(3.36)
Sabrina Havard
(3.26) 		L 6-1
6-0		 2.92 3.09
09/20/2021 Adult 18+
3.5		 3.5 DCRV HollandPerrin W18Fday
Southwest		 D3 Suzanne James
(2.93) 		Jeanne Donahue
(3.22)
Janice Sguardo
(2.76) 		W 2-6
6-0
1-0		 3.20 3.15
08/30/2021 Adult 18+
3.5		 3.5 DCRV HollandPerrin W18Fday
Southwest		 D3 Sara Estervig
(3.00) 		Jody Bafus
(3.26)
Sherry Goodman
(3.14) 		W 3-6
7-6
1-0		 3.24 3.16
08/27/2021 Adult Other
7.5		 7.5W DCRV Perrin TueAM
Southwest		 D3 Deana Perrin
(2.86) 		Lisa Schreiber
(3.27)
Luz Melito
(3.39) 		L 6-0
6-1		 3.04 -----
08/17/2021 Adult Other
7.5		 7.5W DCRV Perrin TueAM
Southwest		 D3 Julie Schmiedeler
(3.11) 		Diane Allard
(3.18)
Tina Rathke
(3.51) 		L 6-1
6-2		 3.03 -----
07/27/2021 Adult Other
7.5		 7.5W DCRV Perrin TueAM
Southwest		 D3 Deana Perrin
(2.86) 		Mary Jo Nurney
(3.32)
Rebecca Thayer
(3.32) 		L 6-3
6-1		 3.17 -----
06/08/2021 Adult Other
7.5		 7.5W DCRV Perrin TueAM
Southwest		 D3 Eileen Urbanowski
(3.13) 		Jelenann Day
(3.24)
Michele Berry
(3.17) 		W 7-5
4-6
1-0		 3.24 -----
04/19/2021 Adult 18+
3.5		 3.5 day DCVill Perrin W18S
Southwest		 D2 Natalie Schmidtke
(3.56) 		Shannon Goldwater
(3.33)
Allison Heron
(3.38) 		L 7-6
7-6		 3.08 3.13
04/05/2021 Adult 18+
3.5		 3.5 day DCVill Perrin W18S
Southwest		 D3 Suzanne Cavin
(3.17) 		Diane Triester
(3.16)
Nancy Downey
(3.14) 		L 6-2
6-2		 2.86 3.09
03/29/2021 Adult 18+
3.5		 3.5 day DCVill Perrin W18S
Southwest		 D3 Natalie Schmidtke
(3.75) 		Victoria Craig
(-----)
Ann Reite
(2.83) 		W 6-0
6-0		 S 3.18
03/26/2021 Adult 18+
3.5		 3.5 day DCVill Perrin W18S
Southwest		 D3 Natalie Schmidtke
(3.71) 		Melissa Hess
(3.13)
ANN MELTON
(3.32) 		W 6-1
6-2		 3.30 3.18
03/25/2021 Adult 65+
7.0		 7.0 DCRV Jensen/VanGoor W65S
Southwest		 D3 Teresa Rutherford
(3.14) 		Bonnie Greco
(3.52)
Julia Romanin
(3.30) 		L 6-3
7-5		 3.26 3.18
03/11/2021 Adult 65+
7.0		 7.0 DCRV Jensen/VanGoor W65S
Southwest		 D2 Vicki Wentz
(2.95) 		Julie Courtney
(3.12)
Julie Embleton
(3.41) 		L 6-0
6-0		 2.89 3.10
03/04/2021 Adult 65+
7.0		 7.0 DCRV Jensen/VanGoor W65S
Southwest		 D1 Ann Golden
(2.84) 		Kathleen Werzynski
(3.17)
Kathy Lomen
(3.30) 		L 6-0
6-2		 3.04 3.16
02/22/2021 Adult 18+
3.5		 3.5 day DCVill Perrin W18S
Southwest		 D3 Ann Stussie
(2.98) 		Bonnie Greco
(3.62)
Yvette Baxter
(3.31) 		L 6-1
6-3		 3.28 3.21
02/01/2021 Adult 18+
3.5		 3.5 day DCVill Perrin W18S
Southwest		 D3 Guillermina Gutmann
(3.11) 		Marta Gonzalez
(3.38)
Susan Martin
(3.11) 		L 7-6
7-5		 3.21 3.18
11/11/2021 D2 Adult 65+
7.0
7.0 DCRV JenVanG W65F
Southwest		 W 7.0 Win EitmantHoff W65F
Southwest
Vicki Wentz (2.95) 6-3
2-6
1-0		 Carol Cohan (3.65)
Susan Flanagan (3.09)
Match: 3.42 Rating: 3.16
11/01/2021 D3 Adult 18+
3.5
3.5 DCRV HollandPerrin W18Fday
Southwest		 L FALL WIN 3.5 Schreiber W18Fday
Southwest
Deb Jensen (3.41) 6-3
6-0		 Lisa Schreiber (3.34)
Jeanette Jones (3.44)
Match: 2.91 Rating: 3.05
10/21/2021 D1 Adult 65+
7.0
7.0 DCRV JenVanG W65F
Southwest		 W 7.0 ISP EchardFranck W65F
Southwest
Deb Jensen (3.33) 6-1
6-3		 Pamela Dooly (3.04)
Patti Schollenberger (2.94)
Match: 3.16 Rating: 3.12
10/18/2021 D2 Adult 18+
3.5
3.5 DCRV HollandPerrin W18Fday
Southwest		 W 3.5 KIW MillerVansk W18Fday
Southwest
Deb Jensen (3.37) 5-7
6-3
1-0		 Karen Haymond (2.98)
Cheryl Humphreys (3.08)
Match: 2.94 Rating: 3.09
10/04/2021 D2 Adult 18+
3.5
3.5 DCRV HollandPerrin W18Fday
Southwest		 L 3.5 SRP Milton W18Fday
Southwest
Suzanne James (3.07) 6-1
6-0		 Jillian English (3.36)
Sabrina Havard (3.26)
Match: 2.92 Rating: 3.09
09/20/2021 D3 Adult 18+
3.5
3.5 DCRV HollandPerrin W18Fday
Southwest		 W 3.5 SRP Grady W18Fday
Southwest
Suzanne James (2.93) 2-6
6-0
1-0		 Jeanne Donahue (3.22)
Janice Sguardo (2.76)
Match: 3.20 Rating: 3.15
08/30/2021 D3 Adult 18+
3.5
3.5 DCRV HollandPerrin W18Fday
Southwest		 W 3.5 DCRV Heron W18Fday
Southwest
Sara Estervig (3.00) 3-6
7-6
1-0		 Jody Bafus (3.26)
Sherry Goodman (3.14)
Match: 3.24 Rating: 3.16
08/27/2021 D3 Adult Other
7.5
7.5W DCRV Perrin TueAM
Southwest		 L 7.5W STRC Schreiber TueAM
Southwest
Deana Perrin (2.86) 6-0
6-1		 Lisa Schreiber (3.27)
Luz Melito (3.39)
Match: 3.04 Rating: -----
08/17/2021 D3 Adult Other
7.5
7.5W DCRV Perrin TueAM
Southwest		 L 7.5W AnthCCtr Crannell TueAM
Southwest
Julie Schmiedeler (3.11) 6-1
6-2		 Diane Allard (3.18)
Tina Rathke (3.51)
Match: 3.03 Rating: -----
07/27/2021 D3 Adult Other
7.5
7.5W DCRV Perrin TueAM
Southwest		 L 7.5W DCRV Williamson TueAM
Southwest
Deana Perrin (2.86) 6-3
6-1		 Mary Jo Nurney (3.32)
Rebecca Thayer (3.32)
Match: 3.17 Rating: -----
06/08/2021 D3 Adult Other
7.5
7.5W DCRV Perrin TueAM
Southwest		 W 7.5W OcoVill Luther TueAM
Southwest
Eileen Urbanowski (3.13) 7-5
4-6
1-0		 Jelenann Day (3.24)
Michele Berry (3.17)
Match: 3.24 Rating: -----
04/19/2021 D2 Adult 18+
3.5
3.5 day DCVill Perrin W18S
Southwest		 L 3.5 day DCVill Heron W18S
Southwest
Natalie Schmidtke (3.56) 7-6
7-6		 Shannon Goldwater (3.33)
Allison Heron (3.38)
Match: 3.08 Rating: 3.13
04/05/2021 D3 Adult 18+
3.5
3.5 day DCVill Perrin W18S
Southwest		 L 3.5 day SRP Milton W18S
Southwest
Suzanne Cavin (3.17) 6-2
6-2		 Diane Triester (3.16)
Nancy Downey (3.14)
Match: 2.86 Rating: 3.09
03/29/2021 D3 Adult 18+
3.5
3.5 day DCVill Perrin W18S
Southwest		 W 3.5 day Win Glynn W18S
Southwest
Natalie Schmidtke (3.75) 6-0
6-0		 Victoria Craig (-----)
Ann Reite (2.83)
Match: S Rating: 3.18
03/26/2021 D3 Adult 18+
3.5
3.5 day DCVill Perrin W18S
Southwest		 W 3.5 day Kiw Vanskiver/Miller W18S
Southwest
Natalie Schmidtke (3.71) 6-1
6-2		 Melissa Hess (3.13)
ANN MELTON (3.32)
Match: 3.30 Rating: 3.18
03/25/2021 D3 Adult 65+
7.0
7.0 DCRV Jensen/VanGoor W65S
Southwest		 L 7.0 IOTC Davidson W65S
Southwest
Teresa Rutherford (3.14) 6-3
7-5		 Bonnie Greco (3.52)
Julia Romanin (3.30)
Match: 3.26 Rating: 3.18
03/11/2021 D2 Adult 65+
7.0
7.0 DCRV Jensen/VanGoor W65S
Southwest		 L 7.0 STRC Schroeder W65S
Southwest
Vicki Wentz (2.95) 6-0
6-0		 Julie Courtney (3.12)
Julie Embleton (3.41)
Match: 2.89 Rating: 3.10
03/04/2021 D1 Adult 65+
7.0
7.0 DCRV Jensen/VanGoor W65S
Southwest		 L 7.0 GoldenEagle Hall/Werz W65S
Southwest
Ann Golden (2.84) 6-0
6-2		 Kathleen Werzynski (3.17)
Kathy Lomen (3.30)
Match: 3.04 Rating: 3.16
02/22/2021 D3 Adult 18+
3.5
3.5 day DCVill Perrin W18S
Southwest		 L 3.5 day Oco Vill Berry W18S
Southwest
Ann Stussie (2.98) 6-1
6-3		 Bonnie Greco (3.62)
Yvette Baxter (3.31)
Match: 3.28 Rating: 3.21
02/01/2021 D3 Adult 18+
3.5
3.5 day DCVill Perrin W18S
Southwest		 L 3.5 day Win Glynn W18S
Southwest
Guillermina Gutmann (3.11) 7-6
7-5		 Marta Gonzalez (3.38)
Susan Martin (3.11)
Match: 3.21 Rating: 3.18
Glossary
Match Player rating for individual match.
Rating Dynamic rating after completed match.
NC Match not yet calculated into rating.
S Self rated or unrated player involved in match so no match rating calculated for current player.
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