Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2021) View Advanced Player Stats
zachary schaefer (Frederick, CO)
Male 		3.5 C
12/31/2021
Estimated Dynamic Rating 3.3034
9/24/2024
Projected Year End Rating ------
----------
3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
2021 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 4 2 2 0 50.0 9 4 5 44.4 79 39 40 49.4 0
Adult Other 4.0 2 1 1 0 50.0 5 2 3 40.0 38 17 21 44.7 0
Combo 3.5 3 1 2 0 33.3 8 3 5 37.5 54 22 32 40.7 0
Mixed 18+ 7.0 4 4 0 0 100.0 9 8 1 88.9 77 47 30 61.0 0
Mixed Other 7.5 4 3 1 0 75.0 8 6 2 75.0 63 41 22 65.1 1
Total 17 11 6 0 64.7 39 23 16 59.0 311 166 145 53.4 1
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
08/24/2021 Adult Other
4.0		 LVTA RED
Intermountain		 D2 Brian Petersen
(3.54) 		Kim Bender
(3.52)
Michael Bird
(3.95) 		L 6-0
6-4		 3.33 3.27
08/22/2021 Mixed Other
7.5		 LVTA PURPLE
Intermountain		 D2 Christina Whalen
(3.00) 		Bethany Seely
(3.45)
Robert Herrera
(3.74) 		L 6-2
6-3		 3.47 3.33
08/15/2021 Mixed Other
7.5		 LVTA PURPLE
Intermountain		 D2 Sonda Huhta
(3.86) 		Elizabeth Gowins
(3.55)
William Donkersgoed
(3.03) 		W 6-2
6-0		 3.38 3.31
08/11/2021 Adult Other
4.0		 LVTA RED
Intermountain		 D2 Brian Petersen
(3.42) 		Christopher Jones
(3.51)
Paul Gronewoller
(3.79) 		W 6-7
6-2
1-0		 3.65 3.32
08/08/2021 Mixed Other
7.5		 LVTA PURPLE
Intermountain		 D3 Sonda Huhta
(-----) 		Default W 6-0
6-0		 ----- -----
07/18/2021 Mixed Other
7.5		 LVTA PURPLE
Intermountain		 D2 Sonda Huhta
(3.86) 		Ashley Kasprzak
(3.16)
David Kasprzak
(-----) 		W 6-1
6-2		 S 3.27
07/17/2021 Tournament
NX3.5d		 Loveland Open 2021 S Dawn Petersen
(2.99) 		Jeff Abrahamson
(3.39)
Heidi Abrahamson
(3.25) 		L 6-4
6-7
1-0		 3.43 -----
07/14/2021 Tournament
NX3.5d		 Loveland Open 2021 Q Dawn Petersen
(2.99) 		Nicholas Diel
(3.25)
monica bice
(3.04) 		W 4-6
7-5
1-0		 3.32 -----
07/13/2021 Tournament
NX3.5d		 Loveland Open 2021 16 Dawn Petersen
(2.99) 		Neal McConnellogue
(3.33)
Kim McConnellogue
(3.03) 		W Def ----- -----
07/11/2021 Mixed Other
7.5		 LVTA PURPLE
Intermountain		 D2 Sonda Huhta
(3.84) 		Holly K. Brown
(3.02)
Stu Hoime
(3.58) 		W 6-4
6-1		 3.26 3.27
05/26/2021 Adult 18+
4.0		 LVTA NAVY
Intermountain		 D2 Daniel Byers
(4.35) 		Brad Biggerstaff
(3.46)
Derrick Van Der Sluys
(3.78) 		W 6-7
6-4
1-0		 S 3.23
05/19/2021 Mixed 18+
7.0		 LVTA SILVER
Intermountain		 D2 Dawn Petersen
(3.16) 		Debbie Hansen
(2.84)
Nick Hansen
(3.20) 		W 7-6
6-0		 3.31 3.27
05/16/2021 Mixed 18+
7.0		 LVTA SILVER
Intermountain		 D2 Dawn Petersen
(3.11) 		Alison Earnhart
(3.13)
Joe Ashbee
(3.57) 		W 6-4
6-3		 3.58 3.31
05/12/2021 Adult 18+
4.0		 LVTA NAVY
Intermountain		 D3 Brian Petersen
(3.45) 		Maximiliano Ortiz Alvarado
(3.61)
Neal McConnellogue
(3.40) 		L 6-4
6-4		 3.29 3.23
05/05/2021 Adult 18+
4.0		 LVTA NAVY
Intermountain		 D3 Daniel Byers
(-----) 		Dan Bikos
(3.54)
Brad Biggerstaff
(3.46) 		W 6-1
6-3		 S 3.22
04/28/2021 Adult 18+
4.0		 LVTA NAVY
Intermountain		 D3 Daniel Ault
(3.49) 		Rajesh Gopalakrishnan
(3.76)
Jeff Brauch
(3.52) 		L 6-1
7-5		 3.27 3.22
04/11/2021 Mixed 18+
7.0		 LVTA SILVER
Intermountain		 D2 Dawn Petersen
(3.11) 		Ian Hay-Arthur
(3.27)
Kristen Frisch
(2.72) 		W 2-6
7-5
1-0		 S 3.26
04/10/2021 Combo
3.5		 HMTC
Intermountain		 D1 Michael Robeson
(3.58) 		Jon Clay
(-----)
Daniel Brown
(3.48) 		W 4-6
6-4
1-0		 S -----
04/04/2021 Mixed 18+
7.0		 LVTA SILVER
Intermountain		 D1 Dawn Petersen
(3.07) 		Gary Pias
(3.69)
Shannon Bigner
(2.55) 		W 6-4
6-2		 3.38 3.26
04/03/2021 Combo
3.5		 HMTC
Intermountain		 D1 Michael Robeson
(3.58) 		Jeff Abrahamson
(3.39)
TJ Mccall
(3.18) 		L 3-6
6-3
1-0		 3.12 -----
03/27/2021 Combo
3.5		 HMTC
Intermountain		 D1 Steve Weber
(3.09) 		Jon Clay
(-----)
James Clay
(3.21) 		L 6-1
6-1		 S -----
08/24/2021 D2 Adult Other
4.0
LVTA RED
Intermountain		 L LT
Intermountain
Brian Petersen (3.54) 6-0
6-4		 Kim Bender (3.52)
Michael Bird (3.95)
Match: 3.33 Rating: 3.27
08/22/2021 D2 Mixed Other
7.5
LVTA PURPLE
Intermountain		 L TAG
Intermountain
Christina Whalen (3.00) 6-2
6-3		 Bethany Seely (3.45)
Robert Herrera (3.74)
Match: 3.47 Rating: 3.33
08/15/2021 D2 Mixed Other
7.5
LVTA PURPLE
Intermountain		 W LVTA RED
Intermountain
Sonda Huhta (3.86) 6-2
6-0		 Elizabeth Gowins (3.55)
William Donkersgoed (3.03)
Match: 3.38 Rating: 3.31
08/11/2021 D2 Adult Other
4.0
LVTA RED
Intermountain		 W FCCC
Intermountain
Brian Petersen (3.42) 6-7
6-2
1-0		 Christopher Jones (3.51)
Paul Gronewoller (3.79)
Match: 3.65 Rating: 3.32
08/08/2021 D3 Mixed Other
7.5
LVTA PURPLE
Intermountain		 W HMTC
Intermountain
Sonda Huhta (-----) 6-0
6-0		 Default
Match: ----- Rating: -----
07/18/2021 D2 Mixed Other
7.5
LVTA PURPLE
Intermountain		 W LVTA RED
Intermountain
Sonda Huhta (3.86) 6-1
6-2		 Ashley Kasprzak (3.16)
David Kasprzak (-----)
Match: S Rating: 3.27
Loveland Open 2021
07/17/2021 S Tournament
NX3.5d
L
Dawn Petersen (2.99) 6-4
6-7
1-0		 Jeff Abrahamson (3.39)
Heidi Abrahamson (3.25)
Match: 3.43 Rating: -----
Loveland Open 2021
07/14/2021 Q Tournament
NX3.5d
W
Dawn Petersen (2.99) 4-6
7-5
1-0		 Nicholas Diel (3.25)
monica bice (3.04)
Match: 3.32 Rating: -----
Loveland Open 2021
07/13/2021 16 Tournament
NX3.5d
W
Dawn Petersen (2.99) Def Neal McConnellogue (3.33)
Kim McConnellogue (3.03)
Match: ----- Rating: -----
07/11/2021 D2 Mixed Other
7.5
LVTA PURPLE
Intermountain		 W HMTC
Intermountain
Sonda Huhta (3.84) 6-4
6-1		 Holly K. Brown (3.02)
Stu Hoime (3.58)
Match: 3.26 Rating: 3.27
05/26/2021 D2 Adult 18+
4.0
LVTA NAVY
Intermountain		 W LT
Intermountain
Daniel Byers (4.35) 6-7
6-4
1-0		 Brad Biggerstaff (3.46)
Derrick Van Der Sluys (3.78)
Match: S Rating: 3.23
05/19/2021 D2 Mixed 18+
7.0
LVTA SILVER
Intermountain		 W HMTC
Intermountain
Dawn Petersen (3.16) 7-6
6-0		 Debbie Hansen (2.84)
Nick Hansen (3.20)
Match: 3.31 Rating: 3.27
05/16/2021 D2 Mixed 18+
7.0
LVTA SILVER
Intermountain		 W MLF
Intermountain
Dawn Petersen (3.11) 6-4
6-3		 Alison Earnhart (3.13)
Joe Ashbee (3.57)
Match: 3.58 Rating: 3.31
05/12/2021 D3 Adult 18+
4.0
LVTA NAVY
Intermountain		 L HMTC MAROON
Intermountain
Brian Petersen (3.45) 6-4
6-4		 Maximiliano Ortiz Alvarado (3.61)
Neal McConnellogue (3.40)
Match: 3.29 Rating: 3.23
05/05/2021 D3 Adult 18+
4.0
LVTA NAVY
Intermountain		 W LT
Intermountain
Daniel Byers (-----) 6-1
6-3		 Dan Bikos (3.54)
Brad Biggerstaff (3.46)
Match: S Rating: 3.22
04/28/2021 D3 Adult 18+
4.0
LVTA NAVY
Intermountain		 L MLF
Intermountain
Daniel Ault (3.49) 6-1
7-5		 Rajesh Gopalakrishnan (3.76)
Jeff Brauch (3.52)
Match: 3.27 Rating: 3.22
04/11/2021 D2 Mixed 18+
7.0
LVTA SILVER
Intermountain		 W MLF
Intermountain
Dawn Petersen (3.11) 2-6
7-5
1-0		 Ian Hay-Arthur (3.27)
Kristen Frisch (2.72)
Match: S Rating: 3.26
04/10/2021 D1 Combo
3.5
HMTC
Intermountain		 W FCCC
Intermountain
Michael Robeson (3.58) 4-6
6-4
1-0		 Jon Clay (-----)
Daniel Brown (3.48)
Match: S Rating: -----
04/04/2021 D1 Mixed 18+
7.0
LVTA SILVER
Intermountain		 W CSU
Intermountain
Dawn Petersen (3.07) 6-4
6-2		 Gary Pias (3.69)
Shannon Bigner (2.55)
Match: 3.38 Rating: 3.26
04/03/2021 D1 Combo
3.5
HMTC
Intermountain		 L LVTA
Intermountain
Michael Robeson (3.58) 3-6
6-3
1-0		 Jeff Abrahamson (3.39)
TJ Mccall (3.18)
Match: 3.12 Rating: -----
03/27/2021 D1 Combo
3.5
HMTC
Intermountain		 L FCCC
Intermountain
Steve Weber (3.09) 6-1
6-1		 Jon Clay (-----)
James Clay (3.21)
Match: S Rating: -----
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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