Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2016) View Advanced Player Stats
Sandra Shaffer (Tacoma, WA)
Female 		4.0 C
12/31/2023
Estimated Dynamic Rating 3.6447
7/5/2024
Projected Year End Rating ------
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4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2016 Overall Season [Singles]
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 3.5 8 7 1 0 87.5 18 14 4 77.8 138 93 45 67.4 0
Adult 18+ 4.0 8 3 5 0 37.5 20 9 11 45.0 163 79 84 48.5 0
Adult 40+ 3.5 13 9 4 0 69.2 29 18 11 62.1 226 116 110 51.3 0
Adult 40+ 4.0 8 2 6 0 25.0 18 6 12 33.3 134 58 76 43.3 0
Total 37 21 16 0 56.8 85 47 38 55.3 661 346 315 52.3 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
10/22/2016 Adult 40+
3.5
Nationals		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S2 Leah Jamison
(3.66) 		W 1-6
6-4
1-0		 3.42 3.39
10/22/2016 Adult 40+
3.5
Nationals		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Manuela Benson
(3.46) 		L 6-1
6-1		 3.14 3.34
10/21/2016 Adult 40+
3.5
Nationals		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Laurie Jo Rogers
(3.59) 		W 6-2
3-6
1-0		 3.56 3.43
10/02/2016 Tournament
NW4.0s		 SPRINKER "MIKE ROBB MEMORIAL" NTRP SINGLES, DOUBLES & MIXED DOUBLES CHAMPIONSHIPS (Level I) F Sana Watterson
(3.81) 		L 6-0
6-2		 S -----
10/01/2016 Tournament
NW4.0s		 SPRINKER "MIKE ROBB MEMORIAL" NTRP SINGLES, DOUBLES & MIXED DOUBLES CHAMPIONSHIPS (Level I) S Liliia Ozerska
(3.19) 		W 6-3
6-3		 S -----
09/30/2016 Tournament
NW4.0s		 SPRINKER "MIKE ROBB MEMORIAL" NTRP SINGLES, DOUBLES & MIXED DOUBLES CHAMPIONSHIPS (Level I) Q Kristine Szarkowitz
(3.59) 		W Def ----- -----
08/28/2016 Adult 40+
3.5
Sectionals		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Paula Thompson
(3.32) 		W 6-4
2-6
1-0		 3.32 3.38
08/27/2016 Adult 40+
3.5
Sectionals		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Brandy Horwitz
(3.72) 		L 6-1
6-1		 3.25 3.39
08/26/2016 Adult 40+
3.5
Sectionals		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Jackie Andrewjeski
(3.53) 		L 6-1
6-2		 3.24 3.42
07/10/2016 Adult 18+
3.5
Flight		 SPR Shirreff-Ronning 3.5W A18
Pacific NW		 S1 Heidi Hurst
(3.33) 		W 6-3
6-4		 3.55 3.51
07/10/2016 Adult 18+
3.5
Flight		 SPR Shirreff-Ronning 3.5W A18
Pacific NW		 S2 Chanel Nielsen
(3.44) 		L 7-6
6-4		 3.37 3.46
07/09/2016 Adult 18+
3.5
Flight		 SPR Shirreff-Ronning 3.5W A18
Pacific NW		 S1 Tina Slater
(2.96) 		W 6-2
6-3		 3.47 3.47
06/11/2016 Adult 18+
4.0		 SPR Sasaki-Coady A18
Pacific NW		 S2 April Victor
(3.55) 		W 6-1
6-1		 3.81 3.54
06/05/2016 Adult 18+
3.5		 SPR Shirreff-Ronning 3.5W A18
Pacific NW		 S1 Ginger Buetow
(3.14) 		W 5-7
6-2
1-0		 3.38 3.44
05/28/2016 Adult 18+
4.0		 SPR Sasaki-Coady A18
Pacific NW		 S1 Mckenzie Hawkins
(3.54) 		L 6-3
6-2		 3.29 3.44
05/22/2016 Adult 18+
4.0		 SPR Sasaki-Coady A18
Pacific NW		 S1 Cara Moore
(3.66) 		L 6-2
6-7
1-0		 3.46 3.48
05/21/2016 Adult 18+
3.5		 SPR Shirreff-Ronning 3.5W A18
Pacific NW		 S1 Megan Michels
(3.13) 		W 6-0
6-0		 3.50 3.48
05/14/2016 Adult 18+
4.0		 SPR Sasaki-Coady A18
Pacific NW		 S1 Ali Criss
(3.66) 		W 7-6
7-5		 3.65 3.50
05/13/2016 Adult 18+
3.5		 SPR Shirreff-Ronning 3.5W A18
Pacific NW		 S1 Tristan Wise
(3.19) 		W 6-0
6-0		 3.68 3.49
05/07/2016 Adult 18+
3.5		 SPR Shirreff-Ronning 3.5W A18
Pacific NW		 S1 Betty Simpson
(3.00) 		W 6-3
6-1		 3.45 3.43
05/06/2016 Adult 18+
3.5		 SPR Shirreff-Ronning 3.5W A18
Pacific NW		 S1 Jennifer Post
(2.98) 		W 4-6
6-1
1-0		 3.34 3.41
04/30/2016 Adult 18+
4.0		 SPR Sasaki-Coady A18
Pacific NW		 S1 Erica Bramlet
(3.66) 		L 6-2
6-3		 3.33 3.42
04/24/2016 Adult 18+
4.0		 SPR Sasaki-Coady A18
Pacific NW		 S1 Dana Larson
(3.37) 		L 4-6
7-6
1-0		 3.40 3.44
04/17/2016 Adult 40+
3.5
Flight		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Reva Wallace
(3.49) 		L 7-5
6-3		 3.34 3.43
04/17/2016 Adult 40+
3.5
Flight		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S2 Ellen Gallinatti
(3.46) 		W 6-4
7-6		 3.55 3.48
04/09/2016 Adult 18+
4.0		 SPR Sasaki-Coady A18
Pacific NW		 S2 Andrea Maison
(3.53) 		L 6-4
4-6
1-0		 3.46 3.46
04/02/2016 Adult 18+
4.0		 SPR Sasaki-Coady A18
Pacific NW		 S1 Karin Mattson
(3.35) 		W 6-4
5-7
1-0		 3.44 3.45
03/26/2016 Adult 40+
3.5		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Marilyn Root
(3.15) 		W 6-4
6-2		 3.50 3.46
03/20/2016 Adult 40+
3.5		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Rosa Allen
(3.27) 		W 6-3
6-0		 3.64 3.47
03/19/2016 Adult 40+
4.0		 SPR Coady-Sasaki A40
Pacific NW		 S2 Dora Karch
(3.48) 		L 3-6
6-3
1-0		 3.42 3.44
02/27/2016 Adult 40+
4.0		 SPR Coady-Sasaki A40
Pacific NW		 S1 Lisa Kim
(3.42) 		L 6-0
6-1		 3.12 3.38
02/19/2016 Adult 40+
3.5		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Rosa Allen
(3.30) 		W 6-1
6-0		 3.72 3.51
02/14/2016 Adult 40+
4.0		 SPR Coady-Sasaki A40
Pacific NW		 S1 Hiroe Puckett
(3.31) 		W 6-3
6-3		 3.55 3.46
02/12/2016 Adult 40+
4.0		 SPR Coady-Sasaki A40
Pacific NW		 S1 Annie Fu
(3.90) 		L 6-3
6-1		 3.42 3.42
02/06/2016 Adult 40+
3.5		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Marilyn Root
(3.10) 		W 6-2
6-4		 3.45 3.43
01/29/2016 Adult 40+
4.0		 SPR Coady-Sasaki A40
Pacific NW		 S1 Michelle Fladebo
(3.84) 		L 6-3
6-2		 3.41 3.42
01/24/2016 Adult 40+
4.0		 SPR Coady-Sasaki A40
Pacific NW		 S1 Cathy Epperson
(3.14) 		L 1-6
6-4
1-0		 3.37 3.42
01/22/2016 Adult 40+
4.0		 SPR Coady-Sasaki A40
Pacific NW		 S1 Leslie Kinkade
(3.62) 		L 6-4
6-1		 3.32 3.44
01/10/2016 Adult 40+
4.0		 SPR Coady-Sasaki A40
Pacific NW		 S2 Nancy Koeppen
(3.22) 		W 6-3
6-1		 3.55 3.46
01/03/2016 Adult 40+
3.5		 SPR Ronning-Shirreff 3.5W
Pacific NW		 S1 Susan Mazikowski
(3.18) 		W 7-5
6-2		 3.43 3.38
10/22/2016 S2 Adult 40+
3.5
Nationals
SPR Ronning-Shirreff 3.5W
Pacific NW		 W CIN Indy, A40&O 3.5 W, Golightly (IRC-D)
Midwest
1-6
6-4
1-0		 Leah Jamison (3.66)
Match: 3.42 Rating: 3.39
10/22/2016 S1 Adult 40+
3.5
Nationals
SPR Ronning-Shirreff 3.5W
Pacific NW		 L Callies - Shot Girls
Northern
6-1
6-1		 Manuela Benson (3.46)
Match: 3.14 Rating: 3.34
10/21/2016 S1 Adult 40+
3.5
Nationals
SPR Ronning-Shirreff 3.5W
Pacific NW		 W HAWAII-The Match Makers
Hawaii
6-2
3-6
1-0		 Laurie Jo Rogers (3.59)
Match: 3.56 Rating: 3.43
SPRINKER "MIKE ROBB MEMORIAL" NTRP SINGLES, DOUBLES & MIXED DOUBLES CHAMPIONSHIPS (Level I)
10/02/2016 F Tournament
NW4.0s
L
6-0
6-2		 Sana Watterson (3.81)
Match: S Rating: -----
SPRINKER "MIKE ROBB MEMORIAL" NTRP SINGLES, DOUBLES & MIXED DOUBLES CHAMPIONSHIPS (Level I)
10/01/2016 S Tournament
NW4.0s
W
6-3
6-3		 Liliia Ozerska (3.19)
Match: S Rating: -----
SPRINKER "MIKE ROBB MEMORIAL" NTRP SINGLES, DOUBLES & MIXED DOUBLES CHAMPIONSHIPS (Level I)
09/30/2016 Q Tournament
NW4.0s
W
Def Kristine Szarkowitz (3.59)
Match: ----- Rating: -----
08/28/2016 S1 Adult 40+
3.5
Sectionals
SPR Ronning-Shirreff 3.5W
Pacific NW		 W ServeAces and Limes
Pacific NW
6-4
2-6
1-0		 Paula Thompson (3.32)
Match: 3.32 Rating: 3.38
08/27/2016 S1 Adult 40+
3.5
Sectionals
SPR Ronning-Shirreff 3.5W
Pacific NW		 L LOTC-Lipscomb/Ditmer
Pacific NW
6-1
6-1		 Brandy Horwitz (3.72)
Match: 3.25 Rating: 3.39
08/26/2016 S1 Adult 40+
3.5
Sectionals
SPR Ronning-Shirreff 3.5W
Pacific NW		 L WRAC-Goetsch
Pacific NW
6-1
6-2		 Jackie Andrewjeski (3.53)
Match: 3.24 Rating: 3.42
07/10/2016 S1 Adult 18+
3.5
Flight
SPR Shirreff-Ronning 3.5W A18
Pacific NW		 W TLTC Hilger A18
Pacific NW
6-3
6-4		 Heidi Hurst (3.33)
Match: 3.55 Rating: 3.51
07/10/2016 S2 Adult 18+
3.5
Flight
SPR Shirreff-Ronning 3.5W A18
Pacific NW		 L VAC Wolfe-Hunter Fireballs
Pacific NW
7-6
6-4		 Chanel Nielsen (3.44)
Match: 3.37 Rating: 3.46
07/09/2016 S1 Adult 18+
3.5
Flight
SPR Shirreff-Ronning 3.5W A18
Pacific NW		 W VAC Slater A18
Pacific NW
6-2
6-3		 Tina Slater (2.96)
Match: 3.47 Rating: 3.47
06/11/2016 S2 Adult 18+
4.0
SPR Sasaki-Coady A18
Pacific NW		 W SPR Latendresse
Pacific NW
6-1
6-1		 April Victor (3.55)
Match: 3.81 Rating: 3.54
06/05/2016 S1 Adult 18+
3.5
SPR Shirreff-Ronning 3.5W A18
Pacific NW		 W TFC McMillin-Underwood
Pacific NW
5-7
6-2
1-0		 Ginger Buetow (3.14)
Match: 3.38 Rating: 3.44
05/28/2016 S1 Adult 18+
4.0
SPR Sasaki-Coady A18
Pacific NW		 L KTAC Cockreham-Pongsriwat
Pacific NW
6-3
6-2		 Mckenzie Hawkins (3.54)
Match: 3.29 Rating: 3.44
05/22/2016 S1 Adult 18+
4.0
SPR Sasaki-Coady A18
Pacific NW		 L TLTC Moore 4.0 A18
Pacific NW
6-2
6-7
1-0		 Cara Moore (3.66)
Match: 3.46 Rating: 3.48
05/21/2016 S1 Adult 18+
3.5
SPR Shirreff-Ronning 3.5W A18
Pacific NW		 W TLTC Hilger A18
Pacific NW
6-0
6-0		 Megan Michels (3.13)
Match: 3.50 Rating: 3.48
05/14/2016 S1 Adult 18+
4.0
SPR Sasaki-Coady A18
Pacific NW		 W TLTC Criss
Pacific NW
7-6
7-5		 Ali Criss (3.66)
Match: 3.65 Rating: 3.50
05/13/2016 S1 Adult 18+
3.5
SPR Shirreff-Ronning 3.5W A18
Pacific NW		 W Valley Hawks
Pacific NW
6-0
6-0		 Tristan Wise (3.19)
Match: 3.68 Rating: 3.49
05/07/2016 S1 Adult 18+
3.5
SPR Shirreff-Ronning 3.5W A18
Pacific NW		 W LRC Yannello-Yannello
Pacific NW
6-3
6-1		 Betty Simpson (3.00)
Match: 3.45 Rating: 3.43
05/06/2016 S1 Adult 18+
3.5
SPR Shirreff-Ronning 3.5W A18
Pacific NW		 W VAC Herrick
Pacific NW
4-6
6-1
1-0		 Jennifer Post (2.98)
Match: 3.34 Rating: 3.41
04/30/2016 S1 Adult 18+
4.0
SPR Sasaki-Coady A18
Pacific NW		 L VAC Gentry A18
Pacific NW
6-2
6-3		 Erica Bramlet (3.66)
Match: 3.33 Rating: 3.42
04/24/2016 S1 Adult 18+
4.0
SPR Sasaki-Coady A18
Pacific NW		 L VAC Hunter A18
Pacific NW
4-6
7-6
1-0		 Dana Larson (3.37)
Match: 3.40 Rating: 3.44
04/17/2016 S1 Adult 40+
3.5
Flight
SPR Ronning-Shirreff 3.5W
Pacific NW		 L VAC Jorgenson-Hunter
Pacific NW
7-5
6-3		 Reva Wallace (3.49)
Match: 3.34 Rating: 3.43
04/17/2016 S2 Adult 40+
3.5
Flight
SPR Ronning-Shirreff 3.5W
Pacific NW		 W TLTC Hilger
Pacific NW
6-4
7-6		 Ellen Gallinatti (3.46)
Match: 3.55 Rating: 3.48
04/09/2016 S2 Adult 18+
4.0
SPR Sasaki-Coady A18
Pacific NW		 L TLTC Moore 4.0 A18
Pacific NW
6-4
4-6
1-0		 Andrea Maison (3.53)
Match: 3.46 Rating: 3.46
04/02/2016 S1 Adult 18+
4.0
SPR Sasaki-Coady A18
Pacific NW		 W SPR Latendresse
Pacific NW
6-4
5-7
1-0		 Karin Mattson (3.35)
Match: 3.44 Rating: 3.45
03/26/2016 S1 Adult 40+
3.5
SPR Ronning-Shirreff 3.5W
Pacific NW		 W VAC Slater
Pacific NW
6-4
6-2		 Marilyn Root (3.15)
Match: 3.50 Rating: 3.46
03/20/2016 S1 Adult 40+
3.5
SPR Ronning-Shirreff 3.5W
Pacific NW		 W TLTC Simpson -Provazek
Pacific NW
6-3
6-0		 Rosa Allen (3.27)
Match: 3.64 Rating: 3.47
03/19/2016 S2 Adult 40+
4.0
SPR Coady-Sasaki A40
Pacific NW		 L VAC Gentry A40
Pacific NW
3-6
6-3
1-0		 Dora Karch (3.48)
Match: 3.42 Rating: 3.44
02/27/2016 S1 Adult 40+
4.0
SPR Coady-Sasaki A40
Pacific NW		 L LRC Harris
Pacific NW
6-0
6-1		 Lisa Kim (3.42)
Match: 3.12 Rating: 3.38
02/19/2016 S1 Adult 40+
3.5
SPR Ronning-Shirreff 3.5W
Pacific NW		 W TLTC Simpson -Provazek
Pacific NW
6-1
6-0		 Rosa Allen (3.30)
Match: 3.72 Rating: 3.51
02/14/2016 S1 Adult 40+
4.0
SPR Coady-Sasaki A40
Pacific NW		 W KTAC Cockreham A40
Pacific NW
6-3
6-3		 Hiroe Puckett (3.31)
Match: 3.55 Rating: 3.46
02/12/2016 S1 Adult 40+
4.0
SPR Coady-Sasaki A40
Pacific NW		 L SPR Lacayo
Pacific NW
6-3
6-1		 Annie Fu (3.90)
Match: 3.42 Rating: 3.42
02/06/2016 S1 Adult 40+
3.5
SPR Ronning-Shirreff 3.5W
Pacific NW		 W VAC Slater
Pacific NW
6-2
6-4		 Marilyn Root (3.10)
Match: 3.45 Rating: 3.43
01/29/2016 S1 Adult 40+
4.0
SPR Coady-Sasaki A40
Pacific NW		 L TLTC Moore 4.0W-A40
Pacific NW
6-3
6-2		 Michelle Fladebo (3.84)
Match: 3.41 Rating: 3.42
01/24/2016 S1 Adult 40+
4.0
SPR Coady-Sasaki A40
Pacific NW		 L VAC Vandenberg
Pacific NW
1-6
6-4
1-0		 Cathy Epperson (3.14)
Match: 3.37 Rating: 3.42
01/22/2016 S1 Adult 40+
4.0
SPR Coady-Sasaki A40
Pacific NW		 L UPS Seaman-Giske
Pacific NW
6-4
6-1		 Leslie Kinkade (3.62)
Match: 3.32 Rating: 3.44
01/10/2016 S2 Adult 40+
4.0
SPR Coady-Sasaki A40
Pacific NW		 W VAC Hunter A40
Pacific NW
6-3
6-1		 Nancy Koeppen (3.22)
Match: 3.55 Rating: 3.46
01/03/2016 S1 Adult 40+
3.5
SPR Ronning-Shirreff 3.5W
Pacific NW		 W VAC Herrick
Pacific NW
7-5
6-2		 Susan Mazikowski (3.18)
Match: 3.43 Rating: 3.38
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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