Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2017) View Advanced Player Stats
John Roberts (Boulder, CO)
Male 		4.5 C
12/31/2023
Estimated Dynamic Rating 4.0100
6/14/2024
Projected Year End Rating ------
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4.5 Rating Meter
Rating Meter
4.0001 - 4.5000
Recent Match History Current Rating History
2017 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.5 5 3 2 0 60.0 11 7 4 63.6 100 54 46 54.0 0
Adult 40+ 4.5 6 5 1 0 83.3 13 10 3 76.9 117 67 50 57.3 0
Adult Other 4.5 6 1 5 0 16.7 16 5 11 31.3 122 56 66 45.9 0
Mixed 18+ 9.0 5 3 2 0 60.0 10 6 4 60.0 87 47 40 54.0 0
Total 22 12 10 0 54.5 50 28 22 56.0 426 224 202 52.6 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
09/12/2017 Adult Other
4.5		 LTA GREEN
Intermountain		 D2 Mark Hinman
(4.32) 		Hui Chong
(4.36)
Kevin Davis
(4.15) 		L 6-4
7-6		 4.17 4.26
09/05/2017 Adult Other
4.5		 LTA GREEN
Intermountain		 D2 David Riffel
(4.24) 		Monty Johnson
(4.25)
Theo Mandel
(4.33) 		W 6-3
2-6
1-0		 4.30 4.29
08/27/2017 Adult Other
4.5		 LTA GREEN
Intermountain		 D2 Ross Becker
(4.44) 		Brandon Jacquez
(4.32)
Eric Nguyen
(4.13) 		L 7-6
6-7
1-0		 4.13 4.26
08/22/2017 Adult Other
4.5		 LTA GREEN
Intermountain		 D2 Mark Hinman
(4.24) 		Josh kahn
(4.26)
Steve Sims
(4.13) 		L 2-6
6-3
1-0		 4.23 4.30
08/08/2017 Adult Other
4.5		 LTA GREEN
Intermountain		 D2 David Riffel
(4.17) 		Hui Chong
(4.35)
Marcel De Graaf
(4.44) 		L 6-2
6-3		 4.23 4.31
08/01/2017 Adult Other
4.5		 LTA GREEN
Intermountain		 D2 David Riffel
(4.17) 		Joseph Fryberger
(4.14)
Theo Mandel
(4.28) 		L 2-6
6-4
1-0		 4.32 4.32
07/19/2017 Adult 40+
4.5		 LTA GREEN
Intermountain		 D2 David Riffel
(4.19) 		Todd Kooi
(4.17)
John White
(4.10) 		W 7-6
6-2		 4.35 4.33
07/12/2017 Adult 40+
4.5		 LTA GREEN
Intermountain		 D2 David Riffel
(4.16) 		Scott Kornreich
(4.21)
Matt Schwartz
(3.99) 		W 6-2
6-2		 4.46 4.35
07/05/2017 Adult 40+
4.5		 LTA GREEN
Intermountain		 D3 Wayne Sidney
(4.18) 		Bruce Malloy
(4.00)
Richard Raab
(3.98) 		W 7-6
6-2		 4.20 4.29
06/28/2017 Adult 40+
4.5		 LTA GREEN
Intermountain		 D2 Wayne Sidney
(4.16) 		Monty Johnson
(4.35)
mark rapp
(4.28) 		W 7-5
6-3		 4.51 4.35
06/21/2017 Adult 40+
4.5		 LTA GREEN
Intermountain		 D2 David Edwards
(4.18) 		Brian Giesecke
(4.32)
Alex Le
(4.49) 		L 6-2
6-4		 4.27 4.29
06/14/2017 Adult 40+
4.5		 LTA GREEN
Intermountain		 D2 David Edwards
(4.19) 		Tim Grayson
(4.20)
Ross McCall
(4.42) 		W 6-4
3-6
1-0		 4.35 4.31
05/30/2017 Adult 18+
4.5		 LTA GREEN
Intermountain		 D2 Ross Becker
(4.28) 		Dennis Dozon
(4.31)
Doug Kazarosian
(4.38) 		L 5-7
6-3
1-0		 4.30 4.28
05/16/2017 Adult 18+
4.5		 LTA GREEN
Intermountain		 D1 Mark Hinman
(4.23) 		Steven Hyman
(4.10)
Doug Peterman
(4.01) 		W 6-2
6-2		 4.38 4.30
05/14/2017 Mixed 18+
9.0		 LAC RED
Intermountain		 D1 Chelsea Crowell
(4.43) 		Anna Reed
(4.43)
Dhesikan Venkatesan
(4.47) 		L 6-3
6-3		 4.20 4.34
05/07/2017 Mixed 18+
9.0		 LAC RED
Intermountain		 D2 Carol Bradford
(4.06) 		Nick Salazar
(4.27)
Laurie Smith
(3.94) 		L 6-4
6-1		 4.05 4.32
05/05/2017 Adult 18+
4.5		 LTA GREEN
Intermountain		 S1 Gregg Sommer
(4.41) 		W 7-6
7-5		 4.48 4.30
05/02/2017 Adult 18+
4.5		 LTA GREEN
Intermountain		 D1 Ross Becker
(4.28) 		Timmy Bromell
(4.01)
Mia Lim
(4.01) 		W 6-4
6-3		 4.15 4.23
04/30/2017 Mixed 18+
9.0		 LAC RED
Intermountain		 D2 Lenka Zajic
(3.98) 		Heidi Dery
(4.19)
David Sackmann
(3.80) 		W 6-2
6-2		 4.50 4.43
04/25/2017 Adult 18+
4.5		 LTA GREEN
Intermountain		 D2 Joseph Fryberger
(4.17) 		Kristopher Brettingen
(4.40)
Dennis Dozon
(4.25) 		L 6-2
6-4		 4.21 4.27
04/23/2017 Mixed 18+
9.0		 LAC RED
Intermountain		 D2 Chelsea Crowell
(4.44) 		Carter Gee-Taylor
(4.23)
Donna Chitambar
(4.20) 		W 6-4
6-2		 4.39 4.40
04/09/2017 Mixed 18+
9.0		 LAC RED
Intermountain		 D1 Chelsea Crowell
(4.35) 		Abigail Wohlford
(4.25)
Alex Le
(4.33) 		W 6-3
6-3		 4.47 4.40
09/12/2017 D2 Adult Other
4.5
LTA GREEN
Intermountain		 L TTA NAVY
Intermountain
Mark Hinman (4.32) 6-4
7-6		 Hui Chong (4.36)
Kevin Davis (4.15)
Match: 4.17 Rating: 4.26
09/05/2017 D2 Adult Other
4.5
LTA GREEN
Intermountain		 W LTA RED
Intermountain
David Riffel (4.24) 6-3
2-6
1-0		 Monty Johnson (4.25)
Theo Mandel (4.33)
Match: 4.30 Rating: 4.29
08/27/2017 D2 Adult Other
4.5
LTA GREEN
Intermountain		 L CVTA BLUE
Intermountain
Ross Becker (4.44) 7-6
6-7
1-0		 Brandon Jacquez (4.32)
Eric Nguyen (4.13)
Match: 4.13 Rating: 4.26
08/22/2017 D2 Adult Other
4.5
LTA GREEN
Intermountain		 L MEA GOLD
Intermountain
Mark Hinman (4.24) 2-6
6-3
1-0		 Josh kahn (4.26)
Steve Sims (4.13)
Match: 4.23 Rating: 4.30
08/08/2017 D2 Adult Other
4.5
LTA GREEN
Intermountain		 L TTA NAVY
Intermountain
David Riffel (4.17) 6-2
6-3		 Hui Chong (4.35)
Marcel De Graaf (4.44)
Match: 4.23 Rating: 4.31
08/01/2017 D2 Adult Other
4.5
LTA GREEN
Intermountain		 L LTA RED
Intermountain
David Riffel (4.17) 2-6
6-4
1-0		 Joseph Fryberger (4.14)
Theo Mandel (4.28)
Match: 4.32 Rating: 4.32
07/19/2017 D2 Adult 40+
4.5
LTA GREEN
Intermountain		 W CSU
Intermountain
David Riffel (4.19) 7-6
6-2		 Todd Kooi (4.17)
John White (4.10)
Match: 4.35 Rating: 4.33
07/12/2017 D2 Adult 40+
4.5
LTA GREEN
Intermountain		 W MEA TEAL
Intermountain
David Riffel (4.16) 6-2
6-2		 Scott Kornreich (4.21)
Matt Schwartz (3.99)
Match: 4.46 Rating: 4.35
07/05/2017 D3 Adult 40+
4.5
LTA GREEN
Intermountain		 W FCCC BLUE
Intermountain
Wayne Sidney (4.18) 7-6
6-2		 Bruce Malloy (4.00)
Richard Raab (3.98)
Match: 4.20 Rating: 4.29
06/28/2017 D2 Adult 40+
4.5
LTA GREEN
Intermountain		 W HMTC
Intermountain
Wayne Sidney (4.16) 7-5
6-3		 Monty Johnson (4.35)
mark rapp (4.28)
Match: 4.51 Rating: 4.35
06/21/2017 D2 Adult 40+
4.5
LTA GREEN
Intermountain		 L TTA BLUE
Intermountain
David Edwards (4.18) 6-2
6-4		 Brian Giesecke (4.32)
Alex Le (4.49)
Match: 4.27 Rating: 4.29
06/14/2017 D2 Adult 40+
4.5
LTA GREEN
Intermountain		 W MEA BLUE
Intermountain
David Edwards (4.19) 6-4
3-6
1-0		 Tim Grayson (4.20)
Ross McCall (4.42)
Match: 4.35 Rating: 4.31
05/30/2017 D2 Adult 18+
4.5
LTA GREEN
Intermountain		 L CVTA NAVY
Intermountain
Ross Becker (4.28) 5-7
6-3
1-0		 Dennis Dozon (4.31)
Doug Kazarosian (4.38)
Match: 4.30 Rating: 4.28
05/16/2017 D1 Adult 18+
4.5
LTA GREEN
Intermountain		 W MEA TEAL
Intermountain
Mark Hinman (4.23) 6-2
6-2		 Steven Hyman (4.10)
Doug Peterman (4.01)
Match: 4.38 Rating: 4.30
05/14/2017 D1 Mixed 18+
9.0
LAC RED
Intermountain		 L TTA BLUE
Intermountain
Chelsea Crowell (4.43) 6-3
6-3		 Anna Reed (4.43)
Dhesikan Venkatesan (4.47)
Match: 4.20 Rating: 4.34
05/07/2017 D2 Mixed 18+
9.0
LAC RED
Intermountain		 L LAC BLUE
Intermountain
Carol Bradford (4.06) 6-4
6-1		 Nick Salazar (4.27)
Laurie Smith (3.94)
Match: 4.05 Rating: 4.32
05/05/2017 S1 Adult 18+
4.5
LTA GREEN
Intermountain		 W BRMST GREY
Intermountain
7-6
7-5		 Gregg Sommer (4.41)
Match: 4.48 Rating: 4.30
05/02/2017 D1 Adult 18+
4.5
LTA GREEN
Intermountain		 W TTA TEAL
Intermountain
Ross Becker (4.28) 6-4
6-3		 Timmy Bromell (4.01)
Mia Lim (4.01)
Match: 4.15 Rating: 4.23
04/30/2017 D2 Mixed 18+
9.0
LAC RED
Intermountain		 W BRMST RED
Intermountain
Lenka Zajic (3.98) 6-2
6-2		 Heidi Dery (4.19)
David Sackmann (3.80)
Match: 4.50 Rating: 4.43
04/25/2017 D2 Adult 18+
4.5
LTA GREEN
Intermountain		 L CVTA NAVY
Intermountain
Joseph Fryberger (4.17) 6-2
6-4		 Kristopher Brettingen (4.40)
Dennis Dozon (4.25)
Match: 4.21 Rating: 4.27
04/23/2017 D2 Mixed 18+
9.0
LAC RED
Intermountain		 W RMTC GREEN
Intermountain
Chelsea Crowell (4.44) 6-4
6-2		 Carter Gee-Taylor (4.23)
Donna Chitambar (4.20)
Match: 4.39 Rating: 4.40
04/09/2017 D1 Mixed 18+
9.0
LAC RED
Intermountain		 W TTA BLUE
Intermountain
Chelsea Crowell (4.35) 6-3
6-3		 Abigail Wohlford (4.25)
Alex Le (4.33)
Match: 4.47 Rating: 4.40
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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