Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2019) View Advanced Player Stats
Roberta Knorr (Liberty Lake, WA)
Female 		3.5 C
12/31/2023
Estimated Dynamic Rating 3.1888
9/15/2024
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
2019 Overall Season [Doubles]
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 6 5 1 0 83.3 13 10 3 76.9 107 63 44 58.9 0
Adult 40+ 3.5 2 0 2 0 0.0 6 2 4 33.3 38 19 19 50.0 0
Adult 55+ 7.0 3 0 3 0 0.0 6 0 6 0.0 54 18 36 33.3 0
Adult 65+ 7.0 3 3 0 0 100.0 6 6 0 100.0 53 37 16 69.8 0
Total 14 8 6 0 57.1 31 18 13 58.1 252 137 115 54.4 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
10/26/2019 Adult 55+
7.0		 SC-Evans
Pacific NW		 D3 Donna Evans
(3.23) 		Brenda Dunn
(2.89)
Kelley Quinn
(2.93) 		L 6-4
6-2		 2.63 2.98
10/26/2019 Adult 55+
7.0		 SC-Evans
Pacific NW		 D2 Donna Evans
(3.27) 		Judy Stromberg
(3.21)
Tammara King
(3.08) 		L 6-3
6-4		 2.92 3.07
10/25/2019 Adult 55+
7.0		 SC-Evans
Pacific NW		 D1 Donna Evans
(3.27) 		Paula Kamp
(3.47)
Cyndie Lempesis
(3.12) 		L 6-1
6-4		 2.97 3.10
06/22/2019 Adult 40+
3.5		 SC-Walcott-Scott
Pacific NW		 D3 Donna Evans
(3.31) 		Tammy Hutchison
(2.85)
Debbie LaPierre-Warner
(3.23) 		L 6-4
3-6
1-0		 2.96 3.10
06/21/2019 Adult 40+
3.5		 SC-Walcott-Scott
Pacific NW		 D3 Donna Evans
(3.36) 		Michele Beaman
(2.96)
Karen Ford
(3.33) 		L 6-3
2-6
1-0		 3.06 3.14
04/28/2019 Adult 65+
7.0		 SC-Evans
Pacific NW		 D2 Donna Evans
(3.29) 		Arlene Bergam
(3.20)
Marie Crow
(3.23) 		W 6-3
6-2		 3.37 3.19
04/27/2019 Adult 65+
7.0		 SC-Evans
Pacific NW		 D3 Donna Evans
(3.35) 		Susan Martell
(3.07)
Dorothy Vaughan
(3.15) 		W 7-6
6-0		 3.24 3.12
04/26/2019 Adult 65+
7.0		 SC-Evans
Pacific NW		 D1 Donna Evans
(3.26) 		Jan Hanami
(3.35)
Loretta Gohd
(3.55) 		W 6-3
6-2		 3.61 3.19
04/13/2019 Adult 18+
3.5
Flight		 SC-Griffith
Pacific NW		 D3 Donna Evans
(3.13) 		Jody Snyder
(3.26)
Lisa Watkins
(2.92) 		W 6-3
6-2		 3.25 3.09
04/05/2019 Adult 18+
3.5		 SC-Griffith
Pacific NW		 D2 Donna Evans
(3.25) 		Gina Connors
(2.85)
Lisa Dumais
(3.11) 		L 6-0
6-3		 2.56 2.96
03/31/2019 Adult 18+
3.5		 SC-Griffith
Pacific NW		 D3 Donna Evans
(3.25) 		Kelly Osterberger
(2.92)
Sianna Mayes
(3.05) 		W 6-2
6-4		 3.10 3.09
03/23/2019 Adult 18+
3.5		 SC-Griffith
Pacific NW		 D3 Donna Evans
(3.26) 		Janice Couture
(3.10)
Heidi Rudy
(3.11) 		W 4-6
7-5
1-0		 3.05 3.08
03/02/2019 Adult 18+
3.5		 SC-Griffith
Pacific NW		 D2 Paula Scott
(3.33) 		Naomi Franklin
(3.16)
Jennifer Nelson
(3.04) 		W 6-4
6-2		 3.16 3.09
01/26/2019 Adult 18+
3.5		 SC-Griffith
Pacific NW		 D3 Donna Evans
(3.27) 		Anne Vogel
(3.01)
Deborah Wardwell
(-----) 		W 6-1
6-3		 S 3.07
10/26/2019 D3 Adult 55+
7.0
SC-Evans
Pacific NW		 L WRAC-Goetsch
Pacific NW
Donna Evans (3.23) 6-4
6-2		 Brenda Dunn (2.89)
Kelley Quinn (2.93)
Match: 2.63 Rating: 2.98
10/26/2019 D2 Adult 55+
7.0
SC-Evans
Pacific NW		 L TCCC-Koehler
Pacific NW
Donna Evans (3.27) 6-3
6-4		 Judy Stromberg (3.21)
Tammara King (3.08)
Match: 2.92 Rating: 3.07
10/25/2019 D1 Adult 55+
7.0
SC-Evans
Pacific NW		 L SC-Osterberger
Pacific NW
Donna Evans (3.27) 6-1
6-4		 Paula Kamp (3.47)
Cyndie Lempesis (3.12)
Match: 2.97 Rating: 3.10
06/22/2019 D3 Adult 40+
3.5
SC-Walcott-Scott
Pacific NW		 L TCCC-Kirkham
Pacific NW
Donna Evans (3.31) 6-4
3-6
1-0		 Tammy Hutchison (2.85)
Debbie LaPierre-Warner (3.23)
Match: 2.96 Rating: 3.10
06/21/2019 D3 Adult 40+
3.5
SC-Walcott-Scott
Pacific NW		 L GAC-Hood River
Pacific NW
Donna Evans (3.36) 6-3
2-6
1-0		 Michele Beaman (2.96)
Karen Ford (3.33)
Match: 3.06 Rating: 3.14
04/28/2019 D2 Adult 65+
7.0
SC-Evans
Pacific NW		 W IND-Hanami
Pacific NW
Donna Evans (3.29) 6-3
6-2		 Arlene Bergam (3.20)
Marie Crow (3.23)
Match: 3.37 Rating: 3.19
04/27/2019 D3 Adult 65+
7.0
SC-Evans
Pacific NW		 W IND-Hanami
Pacific NW
Donna Evans (3.35) 7-6
6-0		 Susan Martell (3.07)
Dorothy Vaughan (3.15)
Match: 3.24 Rating: 3.12
04/26/2019 D1 Adult 65+
7.0
SC-Evans
Pacific NW		 W IND-Hanami
Pacific NW
Donna Evans (3.26) 6-3
6-2		 Jan Hanami (3.35)
Loretta Gohd (3.55)
Match: 3.61 Rating: 3.19
04/13/2019 D3 Adult 18+
3.5
Flight
SC-Griffith
Pacific NW		 W YTC-Kimel
Pacific NW
Donna Evans (3.13) 6-3
6-2		 Jody Snyder (3.26)
Lisa Watkins (2.92)
Match: 3.25 Rating: 3.09
04/05/2019 D2 Adult 18+
3.5
SC-Griffith
Pacific NW		 L SRC-Matson
Pacific NW
Donna Evans (3.25) 6-0
6-3		 Gina Connors (2.85)
Lisa Dumais (3.11)
Match: 2.56 Rating: 2.96
03/31/2019 D3 Adult 18+
3.5
SC-Griffith
Pacific NW		 W SC-Spitz
Pacific NW
Donna Evans (3.25) 6-2
6-4		 Kelly Osterberger (2.92)
Sianna Mayes (3.05)
Match: 3.10 Rating: 3.09
03/23/2019 D3 Adult 18+
3.5
SC-Griffith
Pacific NW		 W SC-Henderson
Pacific NW
Donna Evans (3.26) 4-6
7-5
1-0		 Janice Couture (3.10)
Heidi Rudy (3.11)
Match: 3.05 Rating: 3.08
03/02/2019 D2 Adult 18+
3.5
SC-Griffith
Pacific NW		 W SRC-Matson
Pacific NW
Paula Scott (3.33) 6-4
6-2		 Naomi Franklin (3.16)
Jennifer Nelson (3.04)
Match: 3.16 Rating: 3.09
01/26/2019 D3 Adult 18+
3.5
SC-Griffith
Pacific NW		 W SC-Spitz
Pacific NW
Donna Evans (3.27) 6-1
6-3		 Anne Vogel (3.01)
Deborah Wardwell (-----)
Match: S Rating: 3.07
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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