Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2023) View Advanced Player Stats
Valerie Duncker (Los Altos, CA)
Female 		3.0 C
12/31/2023
Estimated Dynamic Rating 2.7606
6/2/2024
Projected Year End Rating ------
----------
3.0 Rating Meter
Rating Meter
2.5001 - 3.0000
Recent Match History Current Rating History
2023 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.0 5 1 4 0 20.0 13 4 9 30.8 91 34 57 37.4 0
Adult 40+ 3.0 8 5 3 0 62.5 19 11 8 57.9 138 69 69 50.0 0
Combo 5.5 4 3 1 0 75.0 8 6 2 75.0 73 45 28 61.6 0
Combo 6.5 3 1 2 0 33.3 7 2 5 28.6 42 12 30 28.6 0
Mixed 40+ 6.0 2 0 2 0 0.0 5 1 4 20.0 37 14 23 37.8 0
Mixed 40+ 7.0 2 0 2 0 0.0 4 0 4 0.0 30 6 24 20.0 0
Total 24 10 14 0 41.7 56 24 32 42.9 411 180 231 43.8 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
10/21/2023 Combo
5.5		 FREMONT HILLS CC CW5.5A
No California		 D2 Elaine Chong
(2.20) 		Jafi Lipson
(1.91)
Pia Moon
(2.25) 		W 6-3
6-4		 2.51 -----
10/07/2023 Combo
5.5		 FREMONT HILLS CC CW5.5A
No California		 D2 Debbie Liu
(2.30) 		Kate Fenwick
(2.76)
Lauren Sagan
(2.53) 		L 6-2
7-6		 2.75 -----
09/28/2023 Combo
5.5		 FREMONT HILLS CC CW5.5A
No California		 D3 Joanna Berry
(2.52) 		Terri Kerwin
(2.82)
Alana Achterkirchen
(2.00) 		W 7-5
6-2		 2.70 -----
09/24/2023 Combo
5.5		 FREMONT HILLS CC CW5.5A
No California		 D3 Debbie Liu
(2.30) 		Deepika Yelamanchi
(-----)
Martha Reitman
(2.61) 		W 6-1
6-0		 S -----
09/23/2023 Combo
6.5		 FREMONT HILLS CC CW6.5A
No California		 D3 Sara Rao
(2.49) 		Meilani Hendrawidjaja
(3.38)
Klara Turner
(2.75) 		L 6-0
6-0		 2.72 -----
09/16/2023 Combo
6.5		 FREMONT HILLS CC CW6.5A
No California		 D2 Chris Goldner
(2.66) 		Tracy Staton
(3.16)
Cecile Holweg
(3.03) 		L 6-0
6-1		 2.71 -----
09/09/2023 Combo
6.5		 FREMONT HILLS CC CW6.5A
No California		 D2 Pookie Kochatchawan
(3.14) 		Fang Cai
(3.20)
Vicki Benavente
(2.93) 		W 4-6
6-0
1-0		 3.05 -----
08/27/2023 Mixed 40+
6.0		 FREMONT HILLS CC 40MX6.0A
No California		 D1 Forrest Liau
(2.83) 		Michael Flynn
(2.83)
Tina Molumphy
(2.84) 		L 6-4
4-6
1-0		 2.69 2.63
08/13/2023 Mixed 40+
7.0		 FREMONT HILLS CC 40MX7.0A
No California		 D3 Gary Ozawa
(3.71) 		Angelo Aloisio
(2.78)
Liz Babb
(3.90) 		L 6-1
6-1		 2.41 2.59
08/10/2023 Mixed 40+
6.0		 FREMONT HILLS CC 40MX6.0A
No California		 D2 Chris Ling
(3.20) 		Waley Zhang
(3.02)
Amy Yang
(3.28) 		L 6-2
6-2		 2.57 2.62
08/05/2023 Mixed 40+
7.0		 FREMONT HILLS CC 40MX7.0A
No California		 D3 Gary Ozawa
(3.76) 		Thomas Fuerst
(3.25)
Jill Nagahara-evans
(3.18) 		L 6-2
6-2		 2.38 2.63
06/18/2023 Adult 18+
3.0		 STANFORD-CRA 18AW3.0A
No California		 D1 Virginia Trakul
(2.56) 		Andrea Finlay
(2.78)
Kate OHanlan
(2.81) 		L 6-0
2-6
1-0		 2.79 2.76
06/17/2023 Adult 18+
3.0		 STANFORD-CRA 18AW3.0A
No California		 D1 Jane Healey
(2.60) 		Karen Border
(2.66)
Angela Akiyama
(2.78) 		W 7-6
3-6
1-0		 2.78 2.75
06/10/2023 Adult 18+
3.0		 LOS ALTOS GCC 18AW3.0A
No California		 D3 Chris Goldner
(2.65) 		Xier Mei
(3.54)
Yangmei Zheng
(2.46) 		L 5-7
6-2
1-0		 2.97 2.77
05/20/2023 Adult 18+
3.0		 LOS ALTOS GCC 18AW3.0A
No California		 D3 Susan Keck-Truman
(2.59) 		Luxi Chen
(3.36)
Chunguang He
(3.29) 		L 6-1
6-2		 2.80 2.73
05/14/2023 Adult 18+
3.0		 STANFORD-CRA 18AW3.0A
No California		 D1 Lisa Langer
(2.65) 		Wendy Mcadam
(3.00)
Tina Molumphy
(3.00) 		L 6-4
6-1		 2.79 2.72
03/18/2023 Adult 40+
3.0		 PALO ALTO TC/RINCONADA PK 40AW3.0A
No California		 D2 Kathleen Chopra
(2.83) 		Eileen Gann
(2.63)
Angela Akiyama
(2.69) 		W 6-3
6-2		 2.84 2.72
03/17/2023 Adult 40+
3.0		 PALO ALTO TC/RINCONADA PK 40AW3.0A
No California		 D2 Casilda de Benito
(2.65) 		Trish Collins
(2.92)
Nancy Rosenthal
(2.55) 		L 6-4
3-6
1-0		 2.75 2.70
03/11/2023 Adult 40+
3.0		 LOS ALTOS GCC 40AW3.0A
No California		 D3 Laura St Laurent
(2.76) 		Joan Culin
(2.33)
Marcy Rosenberg
(2.79) 		W 6-4
6-0		 2.81 2.69
03/01/2023 Adult 40+
3.0		 PALO ALTO TC/RINCONADA PK 40AW3.0A
No California		 D2 Elaine Chen
(2.63) 		Amy Redell
(2.79)
Rachel Perkocha
(2.60) 		W 4-6
6-4
1-0		 2.75 2.67
02/26/2023 Adult 40+
3.0		 PALO ALTO TC/RINCONADA PK 40AW3.0A
No California		 D1 Katherine Li
(2.76) 		Christina Semba
(2.81)
Paola Leva
(2.64) 		W 7-6
6-0		 2.88 2.69
02/18/2023 Adult 40+
3.0		 LOS ALTOS GCC 40AW3.0A
No California		 D2 Vicki Velez
(2.78) 		Luann Wiggenhorn
(2.83)
Haik Russell
(2.69) 		W 6-4
2-6
1-0		 2.65 2.64
02/11/2023 Adult 40+
3.0		 PALO ALTO TC/RINCONADA PK 40AW3.0A
No California		 D2 Emma Prokter
(2.76) 		Sally Ann Reiss
(2.84)
Wendy Mcadam
(2.88) 		L 6-1
6-0		 2.39 2.63
01/08/2023 Adult 40+
3.0		 LOS ALTOS GCC 40AW3.0A
No California		 D2 Rie Collett
(2.88) 		Keri Smith
(-----)
Mai Pham
(2.51) 		L 6-0
6-1		 S 2.68
10/21/2023 D2 Combo
5.5
FREMONT HILLS CC CW5.5A
No California		 W STANFORD-CRA CW5.5A
No California
Elaine Chong (2.20) 6-3
6-4		 Jafi Lipson (1.91)
Pia Moon (2.25)
Match: 2.51 Rating: -----
10/07/2023 D2 Combo
5.5
FREMONT HILLS CC CW5.5A
No California		 L ALPINE HILLS CW5.5A
No California
Debbie Liu (2.30) 6-2
7-6		 Kate Fenwick (2.76)
Lauren Sagan (2.53)
Match: 2.75 Rating: -----
09/28/2023 D3 Combo
5.5
FREMONT HILLS CC CW5.5A
No California		 W ALPINE HILLS CW5.5A
No California
Joanna Berry (2.52) 7-5
6-2		 Terri Kerwin (2.82)
Alana Achterkirchen (2.00)
Match: 2.70 Rating: -----
09/24/2023 D3 Combo
5.5
FREMONT HILLS CC CW5.5A
No California		 W SAN CARLOS TC/ARGUELLO PK CW5.5A
No California
Debbie Liu (2.30) 6-1
6-0		 Deepika Yelamanchi (-----)
Martha Reitman (2.61)
Match: S Rating: -----
09/23/2023 D3 Combo
6.5
FREMONT HILLS CC CW6.5A
No California		 L PALO ALTO TC/RINCONADA PK CW6.5B
No California
Sara Rao (2.49) 6-0
6-0		 Meilani Hendrawidjaja (3.38)
Klara Turner (2.75)
Match: 2.72 Rating: -----
09/16/2023 D2 Combo
6.5
FREMONT HILLS CC CW6.5A
No California		 L STANFORD-CRA CW6.5A
No California
Chris Goldner (2.66) 6-0
6-1		 Tracy Staton (3.16)
Cecile Holweg (3.03)
Match: 2.71 Rating: -----
09/09/2023 D2 Combo
6.5
FREMONT HILLS CC CW6.5A
No California		 W PENINSULA CC CW6.5A
No California
Pookie Kochatchawan (3.14) 4-6
6-0
1-0		 Fang Cai (3.20)
Vicki Benavente (2.93)
Match: 3.05 Rating: -----
08/27/2023 D1 Mixed 40+
6.0
FREMONT HILLS CC 40MX6.0A
No California		 L ALPINE HILLS 40MX6.0A
No California
Forrest Liau (2.83) 6-4
4-6
1-0		 Michael Flynn (2.83)
Tina Molumphy (2.84)
Match: 2.69 Rating: 2.63
08/13/2023 D3 Mixed 40+
7.0
FREMONT HILLS CC 40MX7.0A
No California		 L ALPINE HILLS 40MX7.0A
No California
Gary Ozawa (3.71) 6-1
6-1		 Angelo Aloisio (2.78)
Liz Babb (3.90)
Match: 2.41 Rating: 2.59
08/10/2023 D2 Mixed 40+
6.0
FREMONT HILLS CC 40MX6.0A
No California		 L RINCONADA PK 40MX6.0A
No California
Chris Ling (3.20) 6-2
6-2		 Waley Zhang (3.02)
Amy Yang (3.28)
Match: 2.57 Rating: 2.62
08/05/2023 D3 Mixed 40+
7.0
FREMONT HILLS CC 40MX7.0A
No California		 L MOUNTAIN VIEW TC/RENGSTORFF PK 40MX7.0A
No California
Gary Ozawa (3.76) 6-2
6-2		 Thomas Fuerst (3.25)
Jill Nagahara-evans (3.18)
Match: 2.38 Rating: 2.63
06/18/2023 D1 Adult 18+
3.0
STANFORD-CRA 18AW3.0A
No California		 L LADERA OAKS 18AW3.0A
No California
Virginia Trakul (2.56) 6-0
2-6
1-0		 Andrea Finlay (2.78)
Kate OHanlan (2.81)
Match: 2.79 Rating: 2.76
06/17/2023 D1 Adult 18+
3.0
STANFORD-CRA 18AW3.0A
No California		 W FOOTHILLS TandS 18AW3.0A
No California
Jane Healey (2.60) 7-6
3-6
1-0		 Karen Border (2.66)
Angela Akiyama (2.78)
Match: 2.78 Rating: 2.75
06/10/2023 D3 Adult 18+
3.0
LOS ALTOS GCC 18AW3.0A
No California		 L SUNNYVALE MTC 18AW3.0A
No California
Chris Goldner (2.65) 5-7
6-2
1-0		 Xier Mei (3.54)
Yangmei Zheng (2.46)
Match: 2.97 Rating: 2.77
05/20/2023 D3 Adult 18+
3.0
LOS ALTOS GCC 18AW3.0A
No California		 L SUNNYVALE MTC 18AW3.0C
No California
Susan Keck-Truman (2.59) 6-1
6-2		 Luxi Chen (3.36)
Chunguang He (3.29)
Match: 2.80 Rating: 2.73
05/14/2023 D1 Adult 18+
3.0
STANFORD-CRA 18AW3.0A
No California		 L ALPINE HILLS 18AW3.0A
No California
Lisa Langer (2.65) 6-4
6-1		 Wendy Mcadam (3.00)
Tina Molumphy (3.00)
Match: 2.79 Rating: 2.72
03/18/2023 D2 Adult 40+
3.0
PALO ALTO TC/RINCONADA PK 40AW3.0A
No California		 W FOOTHILLS TandS 40AW3.0A
No California
Kathleen Chopra (2.83) 6-3
6-2		 Eileen Gann (2.63)
Angela Akiyama (2.69)
Match: 2.84 Rating: 2.72
03/17/2023 D2 Adult 40+
3.0
PALO ALTO TC/RINCONADA PK 40AW3.0A
No California		 L UNIVERSITY CLUB PA 40AW3.0A
No California
Casilda de Benito (2.65) 6-4
3-6
1-0		 Trish Collins (2.92)
Nancy Rosenthal (2.55)
Match: 2.75 Rating: 2.70
03/11/2023 D3 Adult 40+
3.0
LOS ALTOS GCC 40AW3.0A
No California		 W SANTA CLARA TC/SANTA CLARA TENNIS C 40AW3.0A
No California
Laura St Laurent (2.76) 6-4
6-0		 Joan Culin (2.33)
Marcy Rosenberg (2.79)
Match: 2.81 Rating: 2.69
03/01/2023 D2 Adult 40+
3.0
PALO ALTO TC/RINCONADA PK 40AW3.0A
No California		 W LADERA OAKS 40AW3.0A
No California
Elaine Chen (2.63) 4-6
6-4
1-0		 Amy Redell (2.79)
Rachel Perkocha (2.60)
Match: 2.75 Rating: 2.67
02/26/2023 D1 Adult 40+
3.0
PALO ALTO TC/RINCONADA PK 40AW3.0A
No California		 W UNIVERSITY CLUB PA 40AW3.0A
No California
Katherine Li (2.76) 7-6
6-0		 Christina Semba (2.81)
Paola Leva (2.64)
Match: 2.88 Rating: 2.69
02/18/2023 D2 Adult 40+
3.0
LOS ALTOS GCC 40AW3.0A
No California		 W SAN JOSE SR 40AW3.0A
No California
Vicki Velez (2.78) 6-4
2-6
1-0		 Luann Wiggenhorn (2.83)
Haik Russell (2.69)
Match: 2.65 Rating: 2.64
02/11/2023 D2 Adult 40+
3.0
PALO ALTO TC/RINCONADA PK 40AW3.0A
No California		 L ALPINE HILLS 40AW3.0A
No California
Emma Prokter (2.76) 6-1
6-0		 Sally Ann Reiss (2.84)
Wendy Mcadam (2.88)
Match: 2.39 Rating: 2.63
01/08/2023 D2 Adult 40+
3.0
LOS ALTOS GCC 40AW3.0A
No California		 L SANTA CLARA TC/SANTA CLARA TENNIS C 40AW3.0A
No California
Rie Collett (2.88) 6-0
6-1		 Keri Smith (-----)
Mai Pham (2.51)
Match: S Rating: 2.68
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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