Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2023) View Advanced Player Stats
Ronald Mulberg (Seattle, WA)
Male 		4.0 C
12/31/2023
Estimated Dynamic Rating 4.0350
6/23/2024
Projected Year End Rating ------
----------
4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2023 Overall Season [Doubles]
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 18+ 4.0 6 4 2 0 66.7 14 9 5 64.3 103 62 41 60.2 0
Adult 40+ 4.0 5 3 2 0 60.0 12 7 5 58.3 89 53 36 59.6 0
Adult 55+ 8.0 7 3 4 0 42.9 15 7 8 46.7 130 65 65 50.0 0
Adult 55+ 9.0 4 2 2 0 50.0 10 5 5 50.0 66 36 30 54.5 0
Adult 65+ 8.0 14 14 0 0 100.0 32 28 4 87.5 233 161 72 69.1 0
Mixed Other 9.0 2 1 1 0 50.0 5 2 3 40.0 39 17 22 43.6 0
Total 38 27 11 0 71.1 88 58 30 65.9 660 394 266 59.7 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/19/2023 Adult 55+
9.0		 NWW-STC-Young
Pacific NW		 D2 Carl Swanson
(4.51) 		Gregory Skaggs
(4.50)
Hunter Liggett
(4.25) 		W 6-4
1-6
1-0		 4.06 4.01
11/18/2023 Adult 55+
8.0		 NWW-STC-Slade
Pacific NW		 D1 Vincent La Cava
(3.80) 		Brian Peters
(3.96)
Steven Nguyen
(3.54) 		W 6-3
6-4		 4.00 4.00
10/29/2023 Adult 55+
9.0		 NWW-STC-Young
Pacific NW		 D1 John Foster
(4.66) 		Robert Matthews
(4.59)
Tim Bernardez
(3.85) 		L 7-5
0-6
1-0		 4.01 4.05
10/22/2023 Adult 55+
8.0		 NWW-STC-Slade
Pacific NW		 D1 Matthew Barnes
(3.78) 		Tom Parrish
(3.72)
Dan Eder
(3.73) 		W 6-0
7-5		 4.14 4.06
10/07/2023 Adult 55+
8.0		 NWW-STC-Slade
Pacific NW		 D1 Matthew Barnes
(3.74) 		Loi Caldwell
(3.72)
David Jacobsen
(3.91) 		W 6-2
6-1		 4.31 4.08
10/06/2023 Adult 55+
9.0		 NWW-STC-Young
Pacific NW		 D3 Stephen Rosen
(4.11) 		Jeffrey Lee
(3.79)
Tomas Suarez
(3.68) 		W 6-0
6-0		 4.16 4.04
09/30/2023 Adult 55+
9.0		 NWW-STC-Young
Pacific NW		 D1 Matthew Barnes
(3.74) 		Bill Grant
(4.71)
Wolf Yeigh
(3.90) 		L 6-2
6-3		 S 4.00
09/24/2023 Adult 65+
8.0
Sectionals		 NWW-STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(3.99) 		Eric Cooley
(3.78)
Bill Rhoades
(3.83) 		W 6-2
6-2		 4.09 4.00
09/23/2023 Adult 65+
8.0
Sectionals		 NWW-STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(4.02) 		Kevin Tweed
(3.88)
Richard Lozano
(3.79) 		W 6-2
6-4		 4.02 3.98
09/22/2023 Adult 65+
8.0
Sectionals		 NWW-STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(3.94) 		Frank Olson
(3.88)
Mark Polcyn
(3.81) 		W 6-0
6-2		 4.23 4.01
09/21/2023 Adult 65+
8.0
Sectionals		 NWW-STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(3.96) 		Bill Henderson
(3.70)
Jack Henry
(3.87) 		W 4-6
6-3
1-0		 3.82 3.94
09/10/2023 Adult 55+
8.0		 NWW-STC-Slade
Pacific NW		 D1 Michael Slade
(3.56) 		LUN CHEN
(3.95)
Xiadong Gong
(3.76) 		L 6-1
6-2		 3.71 3.94
08/03/2023 Tournament
M65d		 $32,000 Washington State Open 16 John Cunningham
(3.56) 		Drake Nicholson
(4.01)
Matthew Barnes
(3.80) 		L 4-6
7-6
6-3		 4.09 -----
07/29/2023 Mixed Other
9.0		 NWW-STC-Suver
Pacific NW		 D1 Andra Addison
(4.09) 		Mindy Richardson
(4.20)
Eric Newman
(4.19) 		W 3-6
6-4
1-0		 4.13 4.01
07/01/2023 Mixed Other
9.0		 NWW-STC-Suver
Pacific NW		 D1 terri agee smith
(4.51) 		Mindy Richardson
(4.13)
Scott Charlston
(4.33) 		L 6-4
6-3		 3.83 3.97
06/24/2023 Adult 55+
8.0
Sectionals		 NWW-STC-Slade
Pacific NW		 D3 Michael Slade
(3.59) 		David Finkelman
(3.96)
Terence Gariety
(3.64) 		L 6-4
6-3		 3.85 3.96
06/24/2023 Adult 55+
8.0
Sectionals		 NWW-STC-Slade
Pacific NW		 D1 John Cunningham
(3.60) 		Jorge Pacheco
(3.87)
Anthony Anegon
(3.76) 		L 6-7
6-4
1-0		 3.96 3.99
06/23/2023 Adult 55+
8.0
Sectionals		 NWW-STC-Slade
Pacific NW		 D1 John Cunningham
(3.59) 		Michael Huffman
(4.05)
Joel Peyton
(3.76) 		L 7-5
6-2		 3.91 3.99
06/02/2023 Adult 18+
4.0		 STC-Hagen
Pacific NW		 D1 Chris Scalzo
(3.70) 		Thomas Chippendale
(3.63)
Aaron Miller
(3.72) 		L 6-1
6-4		 3.60 3.95
05/20/2023 Adult 18+
4.0		 STC-Hagen
Pacific NW		 D2 Andrew Osborne
(3.63) 		Daniel Castro
(3.39)
Dan Eder
(3.78) 		W 6-2
6-2		 S 4.04
05/13/2023 Adult 18+
4.0		 STC-Hagen
Pacific NW		 D3 Allan Johnson
(3.82) 		Charles Borberg
(3.97)
Mick Jaeger
(3.88) 		W 6-4
5-7
1-0		 4.05 4.04
05/03/2023 Adult 65+
8.0		 NWW-STC-La Cava
Pacific NW		 D2 Douglas Verdieck
(3.95) 		Russ Bucklin
(3.93)
Dennis Salveson
(3.75) 		W 6-2
6-4		 4.07 4.02
04/27/2023 Adult 65+
8.0		 NWW-STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(3.95) 		Loi Caldwell
(3.70)
Matthew Iwersen
(-----) 		W 6-3
1-6
1-0		 S 4.02
04/22/2023 Adult 18+
4.0		 STC-Hagen
Pacific NW		 D1 Brock Loen
(3.82) 		Andrew Royes
(3.58)
Burton Jones
(3.73) 		W 6-2
6-1		 4.11 4.02
04/08/2023 Adult 18+
4.0		 STC-Hagen
Pacific NW		 D1 Andrew Osborne
(3.60) 		Michael Gaberman
(3.60)
Steven Briggs
(3.86) 		W 6-0
6-1		 4.32 4.06
04/05/2023 Adult 65+
8.0		 NWW-STC-La Cava
Pacific NW		 D2 Douglas Verdieck
(3.95) 		Phillip Koester
(3.61)
Max Clark
(-----) 		W 6-0
6-0		 S 3.91
04/01/2023 Adult 18+
4.0		 STC-Hagen
Pacific NW		 D3 Matthew Barnes
(3.79) 		Tyler Gardner
(3.26)
Nate Faubion
(3.51) 		L 3-6
6-3
1-0		 3.47 3.91
03/31/2023 Adult 65+
8.0		 NWW-STC-La Cava
Pacific NW		 D2 Kevin Cahoon
(3.87) 		Joseph Ching
(3.67)
Dennis Salveson
(3.79) 		W 6-3
6-0		 4.12 4.02
02/19/2023 Adult 65+
8.0
Nationals		 STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(3.93) 		John Theis
(4.02)
Michael Kane
(3.79) 		W 3-6
6-0
1-0		 4.06 3.99
02/19/2023 Adult 65+
8.0
Nationals		 STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(3.97) 		Fritz Byers
(4.00)
Pat Birney
(4.03) 		W 4-6
7-5
1-0		 4.06 3.97
02/18/2023 Adult 65+
8.0
Nationals		 STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(3.88) 		Bob Borns
(3.93)
Jeffery Kam
(3.68) 		W 6-1
6-0		 4.26 4.00
02/18/2023 Adult 65+
8.0
Nationals		 STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(3.88) 		James Rick
(3.81)
John Weddle
(3.51) 		W 6-0
6-3		 4.02 3.91
02/17/2023 Adult 65+
8.0
Nationals		 STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(3.89) 		Wendell Anderson
(3.95)
Albert Barrows
(3.75) 		W 6-4
6-2		 4.06 3.92
02/17/2023 Adult 65+
8.0
Nationals		 STC-La Cava
Pacific NW		 D1 Douglas Verdieck
(3.78) 		Jan Willem Dankelman
(3.77)
Jack Raftery
(4.07) 		W 6-4
6-2		 4.13 3.92
02/11/2023 Adult 40+
4.0		 STC-Johnson/Sheppard
Pacific NW		 D1 Matthew Barnes
(3.85) 		Kenneth Cho
(3.63)
David Park
(3.09) 		W 6-2
3-6
1-0		 3.46 3.80
01/28/2023 Adult 40+
4.0		 STC-Johnson/Sheppard
Pacific NW		 D3 Allan Johnson
(3.86) 		Lloyd Sandquist
(3.43)
Tri Dang
(3.34) 		W 6-2
6-0		 3.86 3.89
01/22/2023 Adult 40+
4.0		 STC-Johnson/Sheppard
Pacific NW		 D3 Douglas Verdieck
(3.80) 		Wesley Lew
(3.57)
Bhagirath Addepalli
(3.55) 		L 6-4
3-6
1-0		 3.59 3.86
01/14/2023 Adult 40+
4.0		 STC-Johnson/Sheppard
Pacific NW		 D2 Douglas Verdieck
(3.87) 		Steve Grassman
(3.58)
Srinivas Pothineni
(3.65) 		L 6-4
7-5		 3.56 3.87
01/07/2023 Adult 40+
4.0		 STC-Johnson/Sheppard
Pacific NW		 D2 Douglas Verdieck
(3.86) 		Cameron Hykes
(3.62)
Jason Gurney
(3.51) 		W 6-2
6-1		 3.94 3.94
11/19/2023 D2 Adult 55+
9.0
NWW-STC-Young
Pacific NW		 W NWW-MI-Matthews
Pacific NW
Carl Swanson (4.51) 6-4
1-6
1-0		 Gregory Skaggs (4.50)
Hunter Liggett (4.25)
Match: 4.06 Rating: 4.01
11/18/2023 D1 Adult 55+
8.0
NWW-STC-Slade
Pacific NW		 W CAC/SL-Schmidt
Pacific NW
Vincent La Cava (3.80) 6-3
6-4		 Brian Peters (3.96)
Steven Nguyen (3.54)
Match: 4.00 Rating: 4.00
10/29/2023 D1 Adult 55+
9.0
NWW-STC-Young
Pacific NW		 L NWW-MI-Matthews
Pacific NW
John Foster (4.66) 7-5
0-6
1-0		 Robert Matthews (4.59)
Tim Bernardez (3.85)
Match: 4.01 Rating: 4.05
10/22/2023 D1 Adult 55+
8.0
NWW-STC-Slade
Pacific NW		 W TCSP-Gunther
Pacific NW
Matthew Barnes (3.78) 6-0
7-5		 Tom Parrish (3.72)
Dan Eder (3.73)
Match: 4.14 Rating: 4.06
10/07/2023 D1 Adult 55+
8.0
NWW-STC-Slade
Pacific NW		 W NWW-BELL-Caldwell
Pacific NW
Matthew Barnes (3.74) 6-2
6-1		 Loi Caldwell (3.72)
David Jacobsen (3.91)
Match: 4.31 Rating: 4.08
10/06/2023 D3 Adult 55+
9.0
NWW-STC-Young
Pacific NW		 W NWW-AYTC-Suarez
Pacific NW
Stephen Rosen (4.11) 6-0
6-0		 Jeffrey Lee (3.79)
Tomas Suarez (3.68)
Match: 4.16 Rating: 4.04
09/30/2023 D1 Adult 55+
9.0
NWW-STC-Young
Pacific NW		 L NWW-NTC-Dalkin
Pacific NW
Matthew Barnes (3.74) 6-2
6-3		 Bill Grant (4.71)
Wolf Yeigh (3.90)
Match: S Rating: 4.00
09/24/2023 D1 Adult 65+
8.0
Sectionals
NWW-STC-La Cava
Pacific NW		 W N OR-THPRD-Cooley
Pacific NW
Douglas Verdieck (3.99) 6-2
6-2		 Eric Cooley (3.78)
Bill Rhoades (3.83)
Match: 4.09 Rating: 4.00
09/23/2023 D1 Adult 65+
8.0
Sectionals
NWW-STC-La Cava
Pacific NW		 W EW-YTC-Lozano
Pacific NW
Douglas Verdieck (4.02) 6-2
6-4		 Kevin Tweed (3.88)
Richard Lozano (3.79)
Match: 4.02 Rating: 3.98
09/22/2023 D1 Adult 65+
8.0
Sectionals
NWW-STC-La Cava
Pacific NW		 W N OR-CAC-Morales
Pacific NW
Douglas Verdieck (3.94) 6-0
6-2		 Frank Olson (3.88)
Mark Polcyn (3.81)
Match: 4.23 Rating: 4.01
09/21/2023 D1 Adult 65+
8.0
Sectionals
NWW-STC-La Cava
Pacific NW		 W N OR-MAC-Krum
Pacific NW
Douglas Verdieck (3.96) 4-6
6-3
1-0		 Bill Henderson (3.70)
Jack Henry (3.87)
Match: 3.82 Rating: 3.94
09/10/2023 D1 Adult 55+
8.0
NWW-STC-Slade
Pacific NW		 L CP-Paulson
Pacific NW
Michael Slade (3.56) 6-1
6-2		 LUN CHEN (3.95)
Xiadong Gong (3.76)
Match: 3.71 Rating: 3.94
$32,000 Washington State Open
08/03/2023 16 Tournament
M65d
L
John Cunningham (3.56) 4-6
7-6
6-3		 Drake Nicholson (4.01)
Matthew Barnes (3.80)
Match: 4.09 Rating: -----
07/29/2023 D1 Mixed Other
9.0
NWW-STC-Suver
Pacific NW		 W NWW-HBSQ-Johnson
Pacific NW
Andra Addison (4.09) 3-6
6-4
1-0		 Mindy Richardson (4.20)
Eric Newman (4.19)
Match: 4.13 Rating: 4.01
07/01/2023 D1 Mixed Other
9.0
NWW-STC-Suver
Pacific NW		 L NWW-HBSQ-Johnson
Pacific NW
terri agee smith (4.51) 6-4
6-3		 Mindy Richardson (4.13)
Scott Charlston (4.33)
Match: 3.83 Rating: 3.97
06/24/2023 D3 Adult 55+
8.0
Sectionals
NWW-STC-Slade
Pacific NW		 L N OR-IRV-Gariety
Pacific NW
Michael Slade (3.59) 6-4
6-3		 David Finkelman (3.96)
Terence Gariety (3.64)
Match: 3.85 Rating: 3.96
06/24/2023 D1 Adult 55+
8.0
Sectionals
NWW-STC-Slade
Pacific NW		 L EW-PTC-Anegon
Pacific NW
John Cunningham (3.60) 6-7
6-4
1-0		 Jorge Pacheco (3.87)
Anthony Anegon (3.76)
Match: 3.96 Rating: 3.99
06/23/2023 D1 Adult 55+
8.0
Sectionals
NWW-STC-Slade
Pacific NW		 L SWW-LRC-Litch
Pacific NW
John Cunningham (3.59) 7-5
6-2		 Michael Huffman (4.05)
Joel Peyton (3.76)
Match: 3.91 Rating: 3.99
06/02/2023 D1 Adult 18+
4.0
STC-Hagen
Pacific NW		 L TCSP-Best Dudes Ever-Lachenmaier
Pacific NW
Chris Scalzo (3.70) 6-1
6-4		 Thomas Chippendale (3.63)
Aaron Miller (3.72)
Match: 3.60 Rating: 3.95
05/20/2023 D2 Adult 18+
4.0
STC-Hagen
Pacific NW		 W AYTC-Maki
Pacific NW
Andrew Osborne (3.63) 6-2
6-2		 Daniel Castro (3.39)
Dan Eder (3.78)
Match: S Rating: 4.04
05/13/2023 D3 Adult 18+
4.0
STC-Hagen
Pacific NW		 W BTA-Serve Aces-Chinn
Pacific NW
Allan Johnson (3.82) 6-4
5-7
1-0		 Charles Borberg (3.97)
Mick Jaeger (3.88)
Match: 4.05 Rating: 4.04
05/03/2023 D2 Adult 65+
8.0
NWW-STC-La Cava
Pacific NW		 W HBSQ-Coghlan
Pacific NW
Douglas Verdieck (3.95) 6-2
6-4		 Russ Bucklin (3.93)
Dennis Salveson (3.75)
Match: 4.07 Rating: 4.02
04/27/2023 D1 Adult 65+
8.0
NWW-STC-La Cava
Pacific NW		 W BELL-Caldwell
Pacific NW
Douglas Verdieck (3.95) 6-3
1-6
1-0		 Loi Caldwell (3.70)
Matthew Iwersen (-----)
Match: S Rating: 4.02
04/22/2023 D1 Adult 18+
4.0
STC-Hagen
Pacific NW		 W EDG-Living On The Edge-Loh
Pacific NW
Brock Loen (3.82) 6-2
6-1		 Andrew Royes (3.58)
Burton Jones (3.73)
Match: 4.11 Rating: 4.02
04/08/2023 D1 Adult 18+
4.0
STC-Hagen
Pacific NW		 W MI-Over Served-Gurney
Pacific NW
Andrew Osborne (3.60) 6-0
6-1		 Michael Gaberman (3.60)
Steven Briggs (3.86)
Match: 4.32 Rating: 4.06
04/05/2023 D2 Adult 65+
8.0
NWW-STC-La Cava
Pacific NW		 W BELL-Caldwell
Pacific NW
Douglas Verdieck (3.95) 6-0
6-0		 Phillip Koester (3.61)
Max Clark (-----)
Match: S Rating: 3.91
04/01/2023 D3 Adult 18+
4.0
STC-Hagen
Pacific NW		 L TCSP-Best Dudes Ever-Lachenmaier
Pacific NW
Matthew Barnes (3.79) 3-6
6-3
1-0		 Tyler Gardner (3.26)
Nate Faubion (3.51)
Match: 3.47 Rating: 3.91
03/31/2023 D2 Adult 65+
8.0
NWW-STC-La Cava
Pacific NW		 W HBSQ-Coghlan
Pacific NW
Kevin Cahoon (3.87) 6-3
6-0		 Joseph Ching (3.67)
Dennis Salveson (3.79)
Match: 4.12 Rating: 4.02
02/19/2023 D1 Adult 65+
8.0
Nationals
STC-La Cava
Pacific NW		 W Repeaters
Mid-Atlantic
Douglas Verdieck (3.93) 3-6
6-0
1-0		 John Theis (4.02)
Michael Kane (3.79)
Match: 4.06 Rating: 3.99
02/19/2023 D1 Adult 65+
8.0
Nationals
STC-La Cava
Pacific NW		 W A65 8.0M CV Flacks
Midwest
Douglas Verdieck (3.97) 4-6
7-5
1-0		 Fritz Byers (4.00)
Pat Birney (4.03)
Match: 4.06 Rating: 3.97
02/18/2023 D1 Adult 65+
8.0
Nationals
STC-La Cava
Pacific NW		 W Golden Retrievers
Hawaii
Douglas Verdieck (3.88) 6-1
6-0		 Bob Borns (3.93)
Jeffery Kam (3.68)
Match: 4.26 Rating: 4.00
02/18/2023 D1 Adult 65+
8.0
Nationals
STC-La Cava
Pacific NW		 W Northern/Dalton/65&Over8.0M
Northern
Douglas Verdieck (3.88) 6-0
6-3		 James Rick (3.81)
John Weddle (3.51)
Match: 4.02 Rating: 3.91
02/17/2023 D1 Adult 65+
8.0
Nationals
STC-La Cava
Pacific NW		 W CC:Pernick:Pernick
New England
Douglas Verdieck (3.89) 6-4
6-2		 Wendell Anderson (3.95)
Albert Barrows (3.75)
Match: 4.06 Rating: 3.92
02/17/2023 D1 Adult 65+
8.0
Nationals
STC-La Cava
Pacific NW		 W Duval - Magnolia Point - Sanders
Florida
Douglas Verdieck (3.78) 6-4
6-2		 Jan Willem Dankelman (3.77)
Jack Raftery (4.07)
Match: 4.13 Rating: 3.92
02/11/2023 D1 Adult 40+
4.0
STC-Johnson/Sheppard
Pacific NW		 W BC-Antezana
Pacific NW
Matthew Barnes (3.85) 6-2
3-6
1-0		 Kenneth Cho (3.63)
David Park (3.09)
Match: 3.46 Rating: 3.80
01/28/2023 D3 Adult 40+
4.0
STC-Johnson/Sheppard
Pacific NW		 W CAC/SL-Mavericks-Nguyen
Pacific NW
Allan Johnson (3.86) 6-2
6-0		 Lloyd Sandquist (3.43)
Tri Dang (3.34)
Match: 3.86 Rating: 3.89
01/22/2023 D3 Adult 40+
4.0
STC-Johnson/Sheppard
Pacific NW		 L BTA-Serve Aces-Lew
Pacific NW
Douglas Verdieck (3.80) 6-4
3-6
1-0		 Wesley Lew (3.57)
Bhagirath Addepalli (3.55)
Match: 3.59 Rating: 3.86
01/14/2023 D2 Adult 40+
4.0
STC-Johnson/Sheppard
Pacific NW		 L PL-Vij
Pacific NW
Douglas Verdieck (3.87) 6-4
7-5		 Steve Grassman (3.58)
Srinivas Pothineni (3.65)
Match: 3.56 Rating: 3.87
01/07/2023 D2 Adult 40+
4.0
STC-Johnson/Sheppard
Pacific NW		 W MI-B Team-Briggs
Pacific NW
Douglas Verdieck (3.86) 6-2
6-1		 Cameron Hykes (3.62)
Jason Gurney (3.51)
Match: 3.94 Rating: 3.94
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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