Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (Recent) View Advanced Player Stats
Karen Frederick (Los Gatos, CA)
Female 		4.0 C
12/31/2023
Estimated Dynamic Rating 3.8153
5/15/2024
Projected Year End Rating ------
----------
4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
Recent History
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 6 4 2 0 66.7 15 9 6 60.0 115 63 52 54.8 0
Adult 40+ 4.0 8 3 5 0 37.5 21 9 12 42.9 156 71 85 45.5 0
Adult 55+ 8.0 9 6 3 0 66.7 22 13 9 59.1 163 91 72 55.8 0
Combo 8.5 4 2 2 0 50.0 10 4 6 40.0 73 30 43 41.1 0
Mixed 18+ 8.0 1 0 1 0 0.0 2 0 2 0.0 13 1 12 7.7 0
Mixed 40+ 8.0 3 1 2 0 33.3 7 2 5 28.6 54 20 34 37.0 1
Mixed Other 8.0 2 0 2 0 0.0 4 0 4 0.0 35 10 25 28.6 0
Total 33 16 17 0 48.5 81 37 44 45.7 609 286 323 47.0 1
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
05/02/2024 Adult 55+
8.0		 ALMADEN VAC 55AW8.0A
No California		 D1 Patti Rottjakob
(3.94) 		Danielle Cohen
(4.12)
Sandra Black
(3.38) 		W 6-2
6-3		 3.91 3.82
04/16/2024 Adult 55+
8.0		 ALMADEN VAC 55AW8.0A
No California		 D2 Patti Rottjakob
(3.83) 		Vilma Fernandez
(3.84)
Laurie Hunter
(3.76) 		W 6-4
3-6
1-0		 3.78 3.78
04/02/2024 Adult 55+
8.0		 ALMADEN VAC 55AW8.0A
No California		 D1 Kristin Perry
(3.54) 		Carol Camilli
(4.26)
Hang O'Neill
(3.33) 		L 6-4
7-5		 3.82 3.79
03/30/2024 Adult 55+
8.0		 ALMADEN VAC 55AW8.0A
No California		 D2 Dina Sargis
(3.92) 		Vilma Fernandez
(3.78)
Tina Nguyen
(3.85) 		W 6-7
6-3
1-0		 3.80 3.78
03/15/2024 Mixed 18+
8.0		 ALMADEN SR 18MX8.0A
No California		 D1 Bill Frederick
(4.01) 		Jatica Pollack
(4.18)
Peng Qu
(3.56) 		L 6-1
6-0		 3.32 3.70
03/14/2024 Adult 40+
4.0		 ALMADEN VAC 40AW4.0A-DT
No California		 D1 Dina Sargis
(3.94) 		Rosemary Kent
(3.85)
Tomi Nakamura
(3.64) 		W 4-6
6-4
1-0		 3.70 3.76
03/10/2024 Adult 40+
4.0		 ALMADEN VAC 40AW4.0A
No California		 D3 Margaret A. Roderick
(3.52) 		Leyla Scott
(3.78)
Kristina Weaver
(4.00) 		L 6-2
4-6
1-0		 3.93 3.80
03/08/2024 Adult 40+
4.0		 ALMADEN VAC 40AW4.0A-DT
No California		 D2 Margaret A. Roderick
(3.54) 		Rosemary Kent
(3.83)
Sally Kim
(3.47) 		L 4-6
6-3
1-0		 3.70 3.76
03/04/2024 Adult 40+
4.0		 ALMADEN VAC 40AW4.0A
No California		 D2 Kristin Perry
(3.56) 		Natalie Schnetzler
(3.53)
Ivy Nguyen
(3.14) 		W 7-6
6-4		 3.51 3.75
02/27/2024 Adult 40+
4.0		 ALMADEN VAC 40AW4.0A-DT
No California		 D2 Wendy Penunuri
(3.27) 		Aina Lu
(3.90)
Abbie Serrano
(3.43) 		L 6-1
6-3		 3.65 3.77
02/16/2024 Adult 40+
4.0		 ALMADEN VAC 40AW4.0A
No California		 D1 Kristin Perry
(3.59) 		Rachel Banse
(3.65)
Vilma Fernandez
(3.81) 		W 6-4
6-7
1-0		 3.88 3.81
02/10/2024 Adult 40+
4.0		 ALMADEN VAC 40AW4.0A
No California		 D1 Kristin Perry
(3.60) 		Rosemary Kent
(3.86)
Tomi Nakamura
(3.62) 		L 6-3
1-6
1-0		 3.87 3.80
02/09/2024 Adult 40+
4.0		 ALMADEN VAC 40AW4.0A-DT
No California		 D1 Kim McKelvie
(3.51) 		Amy Clark
(4.01)
Karen Giordano
(3.93) 		L 6-2
6-2		 3.81 3.78
10/11/2023 Combo
8.5		 ALMADEN GCC CW8.5A
No California		 D2 Carol Camilli
(4.39) 		Sandra Morizawa
(4.00)
Hsiao-Yun Yang
(3.61) 		W 4-6
6-4
1-0		 3.50 -----
10/10/2023 Mixed Other
8.0		 ALMADEN VAC 55MX8.0A
No California		 D2 Boris Chechelnitsky
(3.82) 		Rodney Wade
(3.91)
Janel Canepa
(3.61) 		L 6-1
6-0		 3.30 3.69
10/07/2023 Mixed 40+
8.0
Sectionals		 ALMADEN SR 40MX8.0A
No California		 D3 Shaunak Kashyap
(-----) 		Default W 6-0
6-0		 ----- -----
10/06/2023 Mixed 40+
8.0
Sectionals		 ALMADEN SR 40MX8.0A
No California		 D2 Bill Frederick
(3.25) 		Tom Frisher
(3.91)
Kellie Larson
(3.55) 		W 6-4
4-6
1-0		 3.98 3.77
10/01/2023 Mixed Other
8.0		 ALMADEN VAC 55MX8.0A
No California		 D2 Raymond Kong
(-----) 		Jennifer Roberts
(3.56)
Sanjay Khatri
(3.79) 		L 6-3
7-6		 S 3.69
09/27/2023 Combo
8.5		 ALMADEN GCC CW8.5A
No California		 D3 Lise Fox
(-----) 		Lisa Asai
(3.85)
Kelly Uyema
(4.06) 		L 6-1
6-1		 S -----
09/24/2023 Combo
8.5		 ALMADEN GCC CW8.5A
No California		 D3 Lise Fox
(-----) 		Vilma Fernandez
(3.58)
Gwynne Rolla
(4.24) 		L 6-0
7-6		 S -----
09/13/2023 Combo
8.5		 ALMADEN GCC CW8.5A
No California		 D2 Tracey Giglione
(4.10) 		Tara Garneau
(4.09)
Wendy Riggs
(3.46) 		W 4-6
6-2
1-0		 3.67 -----
07/15/2023 Adult 55+
8.0
Sectionals		 ALMADEN VAC 55AW8.0A
No California		 D1 Dina Sargis
(3.88) 		Theresa Martinez
(3.92)
Geri Amaral
(3.86) 		L 6-0
0-6
1-0		 3.77 3.74
07/14/2023 Adult 55+
8.0
Sectionals		 ALMADEN VAC 55AW8.0A
No California		 D2 Denise Scheaffer
(3.78) 		Mary Beth Carter
(3.75)
Linda Daddino
(3.84) 		L 6-4
6-4		 3.69 3.73
07/14/2023 Adult 55+
8.0
Sectionals		 ALMADEN VAC 55AW8.0A
No California		 D1 Dina Sargis
(3.83) 		Carole Donnelly
(3.36)
Rhonda Bucklin
(4.09) 		W 6-2
6-2		 3.95 3.77
07/09/2023 Mixed 40+
8.0		 ALMADEN SR 40MX8.0A
No California		 D2 Bill Frederick
(3.20) 		Cathleen Ligman
(3.28)
Martin Lundie
(3.89) 		L 6-4
6-3		 S 3.69
06/25/2023 Mixed 40+
8.0		 ALMADEN SR 40MX8.0A
No California		 D1 Bill Frederick
(3.22) 		Lisa Backus
(3.65)
Rodney Wade
(3.99) 		L 6-0
6-2		 S 3.69
06/15/2023 Adult 18+
4.0		 ALMADEN VAC 18AW4.0A-DT
No California		 D1 Kristin Perry
(3.76) 		Savitha Anjanappa
(3.35)
Jennifer Roberts
(3.54) 		W 5-7
6-2
1-0		 3.53 3.69
06/09/2023 Adult 18+
4.0		 ALMADEN VAC 18AW4.0A
No California		 D2 Celeste Ackert
(3.60) 		Alba Levitas
(3.74)
Wendy Riggs
(3.56) 		W 6-1
6-3		 3.98 3.77
06/09/2023 Adult 18+
4.0		 ALMADEN VAC 18AW4.0A
No California		 D2 Celeste Ackert
(3.68) 		Jessie Cui
(3.53)
Nancy Li
(3.62) 		L 4-6
6-2
1-0		 3.52 3.67
06/08/2023 Adult 18+
4.0		 ALMADEN VAC 18AW4.0A-DT
No California		 D2 Jeanine Smith
(3.26) 		Lenka Quinanola
(3.60)
Rose Madriaga
(3.28) 		W 4-6
6-1
1-0		 3.78 3.72
06/07/2023 Adult 55+
8.0
League		 ALMADEN VAC 55AW8.0A
No California		 D3 Kristin Perry
(3.79) 		Shannon Huffer
(3.59)
Donna Blyshak
(3.72) 		W 2-6
6-4
1-0		 3.58 3.70
05/21/2023 Adult 18+
4.0		 ALMADEN VAC 18AW4.0A
No California		 D1 Melanie Johnson
(3.60) 		Rachel Banse
(3.57)
Karissa Watanabe
(3.61) 		L 6-3
7-5		 3.52 3.69
05/19/2023 Adult 18+
4.0		 ALMADEN VAC 18AW4.0A-DT
No California		 D1 Margaret A. Roderick
(3.66) 		Kirsi-marja Kiviniemi
(3.76)
Pari Pham
(3.30) 		W 6-4
6-4		 3.69 3.71
05/16/2023 Adult 55+
8.0		 ALMADEN VAC 55AW8.0A
No California		 D1 Patti Rottjakob
(3.69) 		Hui Clark
(3.72)
Laura Hansen
(3.57) 		W 6-1
6-0		 4.07 3.78
05/02/2024 D1 Adult 55+
8.0
ALMADEN VAC 55AW8.0A
No California		 W LOS GATOS SR 55AW8.0A
No California
Patti Rottjakob (3.94) 6-2
6-3		 Danielle Cohen (4.12)
Sandra Black (3.38)
Match: 3.91 Rating: 3.82
04/16/2024 D2 Adult 55+
8.0
ALMADEN VAC 55AW8.0A
No California		 W MORGAN HILL TC 55AW8.0A
No California
Patti Rottjakob (3.83) 6-4
3-6
1-0		 Vilma Fernandez (3.84)
Laurie Hunter (3.76)
Match: 3.78 Rating: 3.78
04/02/2024 D1 Adult 55+
8.0
ALMADEN VAC 55AW8.0A
No California		 L BAY CLUB COURTSIDE 55AW8.0A
No California
Kristin Perry (3.54) 6-4
7-5		 Carol Camilli (4.26)
Hang O'Neill (3.33)
Match: 3.82 Rating: 3.79
03/30/2024 D2 Adult 55+
8.0
ALMADEN VAC 55AW8.0A
No California		 W MORGAN HILL TC 55AW8.0A
No California
Dina Sargis (3.92) 6-7
6-3
1-0		 Vilma Fernandez (3.78)
Tina Nguyen (3.85)
Match: 3.80 Rating: 3.78
03/15/2024 D1 Mixed 18+
8.0
ALMADEN SR 18MX8.0A
No California		 L BAY CLUB COURTSIDE 18MX8.0A
No California
Bill Frederick (4.01) 6-1
6-0		 Jatica Pollack (4.18)
Peng Qu (3.56)
Match: 3.32 Rating: 3.70
03/14/2024 D1 Adult 40+
4.0
ALMADEN VAC 40AW4.0A-DT
No California		 W BAY CLUB COURTSIDE 40AW4.0A-DT
No California
Dina Sargis (3.94) 4-6
6-4
1-0		 Rosemary Kent (3.85)
Tomi Nakamura (3.64)
Match: 3.70 Rating: 3.76
03/10/2024 D3 Adult 40+
4.0
ALMADEN VAC 40AW4.0A
No California		 L WALLENBERG PK 40AW4.0A
No California
Margaret A. Roderick (3.52) 6-2
4-6
1-0		 Leyla Scott (3.78)
Kristina Weaver (4.00)
Match: 3.93 Rating: 3.80
03/08/2024 D2 Adult 40+
4.0
ALMADEN VAC 40AW4.0A-DT
No California		 L BAY CLUB COURTSIDE 40AW4.0A-DT
No California
Margaret A. Roderick (3.54) 4-6
6-3
1-0		 Rosemary Kent (3.83)
Sally Kim (3.47)
Match: 3.70 Rating: 3.76
03/04/2024 D2 Adult 40+
4.0
ALMADEN VAC 40AW4.0A
No California		 W MORGAN HILL TC/MORGAN HILL TC 40AW4.0A
No California
Kristin Perry (3.56) 7-6
6-4		 Natalie Schnetzler (3.53)
Ivy Nguyen (3.14)
Match: 3.51 Rating: 3.75
02/27/2024 D2 Adult 40+
4.0
ALMADEN VAC 40AW4.0A-DT
No California		 L MORGAN HILL TC/MORGAN HILL TC 40AW4.0A DT
No California
Wendy Penunuri (3.27) 6-1
6-3		 Aina Lu (3.90)
Abbie Serrano (3.43)
Match: 3.65 Rating: 3.77
02/16/2024 D1 Adult 40+
4.0
ALMADEN VAC 40AW4.0A
No California		 W MORGAN HILL TC/MORGAN HILL TC 40AW4.0A
No California
Kristin Perry (3.59) 6-4
6-7
1-0		 Rachel Banse (3.65)
Vilma Fernandez (3.81)
Match: 3.88 Rating: 3.81
02/10/2024 D1 Adult 40+
4.0
ALMADEN VAC 40AW4.0A
No California		 L BAY CLUB COURTSIDE 40AW4.0A
No California
Kristin Perry (3.60) 6-3
1-6
1-0		 Rosemary Kent (3.86)
Tomi Nakamura (3.62)
Match: 3.87 Rating: 3.80
02/09/2024 D1 Adult 40+
4.0
ALMADEN VAC 40AW4.0A-DT
No California		 L LOS GATOS SR 40AW4.0A DT
No California
Kim McKelvie (3.51) 6-2
6-2		 Amy Clark (4.01)
Karen Giordano (3.93)
Match: 3.81 Rating: 3.78
10/11/2023 D2 Combo
8.5
ALMADEN GCC CW8.5A
No California		 W BAY CLUB COURTSIDE CW8.5A
No California
Carol Camilli (4.39) 4-6
6-4
1-0		 Sandra Morizawa (4.00)
Hsiao-Yun Yang (3.61)
Match: 3.50 Rating: -----
10/10/2023 D2 Mixed Other
8.0
ALMADEN VAC 55MX8.0A
No California		 L BAY CLUB COURTSIDE 55MX8.0A
No California
Boris Chechelnitsky (3.82) 6-1
6-0		 Rodney Wade (3.91)
Janel Canepa (3.61)
Match: 3.30 Rating: 3.69
10/07/2023 D3 Mixed 40+
8.0
Sectionals
ALMADEN SR 40MX8.0A
No California		 W Bay Club Fremont 40MX8.0B
No California
Shaunak Kashyap (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
10/06/2023 D2 Mixed 40+
8.0
Sectionals
ALMADEN SR 40MX8.0A
No California		 W WIKIUP R SC 40MX8.0B
No California
Bill Frederick (3.25) 6-4
4-6
1-0		 Tom Frisher (3.91)
Kellie Larson (3.55)
Match: 3.98 Rating: 3.77
10/01/2023 D2 Mixed Other
8.0
ALMADEN VAC 55MX8.0A
No California		 L LOS GATOS SR 55MX8.0A
No California
Raymond Kong (-----) 6-3
7-6		 Jennifer Roberts (3.56)
Sanjay Khatri (3.79)
Match: S Rating: 3.69
09/27/2023 D3 Combo
8.5
ALMADEN GCC CW8.5A
No California		 L BAY CLUB COURTSIDE CW8.5B
No California
Lise Fox (-----) 6-1
6-1		 Lisa Asai (3.85)
Kelly Uyema (4.06)
Match: S Rating: -----
09/24/2023 D3 Combo
8.5
ALMADEN GCC CW8.5A
No California		 L MORGAN HILL TC CW8.5A
No California
Lise Fox (-----) 6-0
7-6		 Vilma Fernandez (3.58)
Gwynne Rolla (4.24)
Match: S Rating: -----
09/13/2023 D2 Combo
8.5
ALMADEN GCC CW8.5A
No California		 W LOS GATOS SR CW8.5A
No California
Tracey Giglione (4.10) 4-6
6-2
1-0		 Tara Garneau (4.09)
Wendy Riggs (3.46)
Match: 3.67 Rating: -----
07/15/2023 D1 Adult 55+
8.0
Sectionals
ALMADEN VAC 55AW8.0A
No California		 L GALVIN PK 55AW8.0A
No California
Dina Sargis (3.88) 6-0
0-6
1-0		 Theresa Martinez (3.92)
Geri Amaral (3.86)
Match: 3.77 Rating: 3.74
07/14/2023 D2 Adult 55+
8.0
Sectionals
ALMADEN VAC 55AW8.0A
No California		 L CLOVIS TC/CLOVIS NORTH HS 55AW8.0A
No California
Denise Scheaffer (3.78) 6-4
6-4		 Mary Beth Carter (3.75)
Linda Daddino (3.84)
Match: 3.69 Rating: 3.73
07/14/2023 D1 Adult 55+
8.0
Sectionals
ALMADEN VAC 55AW8.0A
No California		 W LADERA OAKS 55AW8.0A
No California
Dina Sargis (3.83) 6-2
6-2		 Carole Donnelly (3.36)
Rhonda Bucklin (4.09)
Match: 3.95 Rating: 3.77
07/09/2023 D2 Mixed 40+
8.0
ALMADEN SR 40MX8.0A
No California		 L BAY CLUB COURTSIDE 40MX8.0C
No California
Bill Frederick (3.20) 6-4
6-3		 Cathleen Ligman (3.28)
Martin Lundie (3.89)
Match: S Rating: 3.69
06/25/2023 D1 Mixed 40+
8.0
ALMADEN SR 40MX8.0A
No California		 L BAY CLUB COURTSIDE 40MX8.0A
No California
Bill Frederick (3.22) 6-0
6-2		 Lisa Backus (3.65)
Rodney Wade (3.99)
Match: S Rating: 3.69
06/15/2023 D1 Adult 18+
4.0
ALMADEN VAC 18AW4.0A-DT
No California		 W LOS GATOS SR 18AW4.0A-DT
No California
Kristin Perry (3.76) 5-7
6-2
1-0		 Savitha Anjanappa (3.35)
Jennifer Roberts (3.54)
Match: 3.53 Rating: 3.69
06/09/2023 D2 Adult 18+
4.0
ALMADEN VAC 18AW4.0A
No California		 W LOS GATOS SR 18AW4.0A
No California
Celeste Ackert (3.60) 6-1
6-3		 Alba Levitas (3.74)
Wendy Riggs (3.56)
Match: 3.98 Rating: 3.77
06/09/2023 D2 Adult 18+
4.0
ALMADEN VAC 18AW4.0A
No California		 L BAY CLUB COURTSIDE 18AW4.0B
No California
Celeste Ackert (3.68) 4-6
6-2
1-0		 Jessie Cui (3.53)
Nancy Li (3.62)
Match: 3.52 Rating: 3.67
06/08/2023 D2 Adult 18+
4.0
ALMADEN VAC 18AW4.0A-DT
No California		 W MORGAN HILL TC/MORGAN HILL TC 18AW4.0A-DT
No California
Jeanine Smith (3.26) 4-6
6-1
1-0		 Lenka Quinanola (3.60)
Rose Madriaga (3.28)
Match: 3.78 Rating: 3.72
06/07/2023 D3 Adult 55+
8.0
League
ALMADEN VAC 55AW8.0A
No California		 W BAY CLUB COURTSIDE 55AW8.0A
No California
Kristin Perry (3.79) 2-6
6-4
1-0		 Shannon Huffer (3.59)
Donna Blyshak (3.72)
Match: 3.58 Rating: 3.70
05/21/2023 D1 Adult 18+
4.0
ALMADEN VAC 18AW4.0A
No California		 L MORGAN HILL TC/MORGAN HILL TC 18AW4.0A
No California
Melanie Johnson (3.60) 6-3
7-5		 Rachel Banse (3.57)
Karissa Watanabe (3.61)
Match: 3.52 Rating: 3.69
05/19/2023 D1 Adult 18+
4.0
ALMADEN VAC 18AW4.0A-DT
No California		 W SILVER CREEK 18AW4.0A-DT
No California
Margaret A. Roderick (3.66) 6-4
6-4		 Kirsi-marja Kiviniemi (3.76)
Pari Pham (3.30)
Match: 3.69 Rating: 3.71
05/16/2023 D1 Adult 55+
8.0
ALMADEN VAC 55AW8.0A
No California		 W LOS GATOS SR 55AW8.0A
No California
Patti Rottjakob (3.69) 6-1
6-0		 Hui Clark (3.72)
Laura Hansen (3.57)
Match: 4.07 Rating: 3.78
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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