Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2021) View Advanced Player Stats
Jeff Chaffin (Raleigh, NC)
Male 		4.0 C
12/31/2024
Estimated Dynamic Rating 3.7738
11/24/2024
Projected Year End Rating 3.7618
12/8/2024
4.0 Rating Meter
Rating Meter
3.5001 - 4.0000
Recent Match History Current Rating History
2021 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 4 3 1 0 75.0 9 6 3 66.7 82 47 35 57.3 0
Adult 40+ 4.0 2 2 0 0 100.0 5 4 1 80.0 36 21 15 58.3 0
Combo 7.5 1 0 1 0 0.0 2 0 2 0.0 15 3 12 20.0 0
Combo 8.5 1 0 1 0 0.0 2 0 2 0.0 20 8 12 40.0 0
Mixed 18+ 7.0 3 2 1 0 66.7 7 5 2 71.4 45 31 14 68.9 0
Mixed 18+ 8.0 5 3 2 0 60.0 11 6 5 54.5 95 46 49 48.4 0
Total 16 10 6 0 62.5 36 21 15 58.3 293 156 137 53.2 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
08/19/2021 Combo
8.5		 IBMillikan
Southern		 D3 John Dunn
(3.82) 		Craig Schauman
(3.65)
William Jackson
(-----) 		L 6-4
6-4		 S -----
08/08/2021 Combo
7.5		 IDMarks
Southern		 D3 Bill Green
(3.03) 		Andrew Austin
(-----)
Jeffrey Marcus
(3.53) 		L 6-2
6-1		 S -----
08/02/2021 Mixed 18+
8.0		 ICMiller
Southern		 D3 Pamela McCollum
(3.45) 		John Whalen
(3.66)
Jocelyn Badulis
(2.98) 		W 6-3
6-3		 3.55 3.52
07/25/2021 Mixed 18+
7.0		 IJGoatcher
Southern		 D2 April Bazin
(2.87) 		Tom Harman
(3.24)
Diane Abourisk
(3.17) 		L 6-1
0-6
1-0		 3.52 3.52
07/12/2021 Mixed 18+
8.0		 ICMiller
Southern		 D3 Pamela McCollum
(3.45) 		Mickey Plowden
(3.99)
Tracey Carlin
(3.19) 		L 6-2
6-4		 3.42 3.51
06/28/2021 Mixed 18+
8.0		 ICMiller
Southern		 D3 Pamela McCollum
(3.48) 		Jennifer McCown
(3.06)
James McCown
(3.62) 		W 6-4
6-7
1-0		 3.41 3.51
06/27/2021 Mixed 18+
7.0		 IJGoatcher
Southern		 D3 April Bazin
(2.91) 		Clay Stroud
(-----)
Paige Stroud
(-----) 		W 6-4
6-0		 S 3.53
06/21/2021 Mixed 18+
8.0		 ICMiller
Southern		 D2 Monica Shea-Henderson
(3.50) 		Bob Brooks
(3.67)
Tonya Chapman
(3.81) 		L 6-0
6-3		 3.43 3.53
06/13/2021 Mixed 18+
7.0		 IJGoatcher
Southern		 D3 April Bazin
(2.91) 		Matthew Durbin
(-----)
Heidi Duggins
(3.16) 		W 6-2
6-1		 S 3.56
05/31/2021 Mixed 18+
8.0		 ICMiller
Southern		 D2 Sandra Rhoades
(3.51) 		Pamela Hankerson
(3.01)
Ronald Wiese
(3.58) 		W 6-4
6-4		 3.44 3.56
04/25/2021 Adult 18+
4.0		 IJGoatcher
Southern		 D3 David Boyce
(3.46) 		John Taylor
(3.92)
Matthew Horney
(3.99) 		W 6-7
6-4
1-0		 4.09 3.75
04/14/2021 Adult 40+
4.0		 IFAllison
Southern		 D1 Frank Allison
(3.45) 		Craig Chapman
(3.67)
William Humphries
(3.43) 		W 6-3
6-3		 3.84 3.69
04/11/2021 Adult 18+
4.0		 IJGoatcher
Southern		 D1 David McNeill
(3.68) 		Ivan Andjelkovic
(3.31)
Raymond Xu
(3.71) 		W 7-5
6-2		 3.67 3.65
03/21/2021 Adult 18+
4.0		 IJGoatcher
Southern		 D1 Joseph Smith
(3.72) 		Graham Schillmoller
(3.98)
John Peterson
(3.67) 		L 7-5
6-4		 3.69 3.65
03/17/2021 Adult 40+
4.0		 IFAllison
Southern		 D2 Frank Allison
(3.38) 		Michael Cunningham
(3.52)
Keith Parks
(3.52) 		W 6-3
2-6
1-0		 3.64 3.64
03/14/2021 Adult 18+
4.0		 IJGoatcher
Southern		 D2 David McNeill
(3.66) 		Bryan Barker
(3.44)
Robert Weaver
(3.51) 		W 6-3
6-1		 3.74 3.64
08/19/2021 D3 Combo
8.5
IBMillikan
Southern		 L ICSchaumanOldPeople
Southern
John Dunn (3.82) 6-4
6-4		 Craig Schauman (3.65)
William Jackson (-----)
Match: S Rating: -----
08/08/2021 D3 Combo
7.5
IDMarks
Southern		 L IFMoser
Southern
Bill Green (3.03) 6-2
6-1		 Andrew Austin (-----)
Jeffrey Marcus (3.53)
Match: S Rating: -----
08/02/2021 D3 Mixed 18+
8.0
ICMiller
Southern		 W ILHatlen
Southern
Pamela McCollum (3.45) 6-3
6-3		 John Whalen (3.66)
Jocelyn Badulis (2.98)
Match: 3.55 Rating: 3.52
07/25/2021 D2 Mixed 18+
7.0
IJGoatcher
Southern		 L IJBrooks
Southern
April Bazin (2.87) 6-1
0-6
1-0		 Tom Harman (3.24)
Diane Abourisk (3.17)
Match: 3.52 Rating: 3.52
07/12/2021 D3 Mixed 18+
8.0
ICMiller
Southern		 L IJBricker
Southern
Pamela McCollum (3.45) 6-2
6-4		 Mickey Plowden (3.99)
Tracey Carlin (3.19)
Match: 3.42 Rating: 3.51
06/28/2021 D3 Mixed 18+
8.0
ICMiller
Southern		 W ILHatlen
Southern
Pamela McCollum (3.48) 6-4
6-7
1-0		 Jennifer McCown (3.06)
James McCown (3.62)
Match: 3.41 Rating: 3.51
06/27/2021 D3 Mixed 18+
7.0
IJGoatcher
Southern		 W IMEveritt 7.0
Southern
April Bazin (2.91) 6-4
6-0		 Clay Stroud (-----)
Paige Stroud (-----)
Match: S Rating: 3.53
06/21/2021 D2 Mixed 18+
8.0
ICMiller
Southern		 L IHBWilliams
Southern
Monica Shea-Henderson (3.50) 6-0
6-3		 Bob Brooks (3.67)
Tonya Chapman (3.81)
Match: 3.43 Rating: 3.53
06/13/2021 D3 Mixed 18+
7.0
IJGoatcher
Southern		 W IHDuggins
Southern
April Bazin (2.91) 6-2
6-1		 Matthew Durbin (-----)
Heidi Duggins (3.16)
Match: S Rating: 3.56
05/31/2021 D2 Mixed 18+
8.0
ICMiller
Southern		 W IDJohn18+ 8.0
Southern
Sandra Rhoades (3.51) 6-4
6-4		 Pamela Hankerson (3.01)
Ronald Wiese (3.58)
Match: 3.44 Rating: 3.56
04/25/2021 D3 Adult 18+
4.0
IJGoatcher
Southern		 W IRApplegate
Southern
David Boyce (3.46) 6-7
6-4
1-0		 John Taylor (3.92)
Matthew Horney (3.99)
Match: 4.09 Rating: 3.75
04/14/2021 D1 Adult 40+
4.0
IFAllison
Southern		 W IFMoser
Southern
Frank Allison (3.45) 6-3
6-3		 Craig Chapman (3.67)
William Humphries (3.43)
Match: 3.84 Rating: 3.69
04/11/2021 D1 Adult 18+
4.0
IJGoatcher
Southern		 W IRXu
Southern
David McNeill (3.68) 7-5
6-2		 Ivan Andjelkovic (3.31)
Raymond Xu (3.71)
Match: 3.67 Rating: 3.65
03/21/2021 D1 Adult 18+
4.0
IJGoatcher
Southern		 L IJJenkins
Southern
Joseph Smith (3.72) 7-5
6-4		 Graham Schillmoller (3.98)
John Peterson (3.67)
Match: 3.69 Rating: 3.65
03/17/2021 D2 Adult 40+
4.0
IFAllison
Southern		 W IKParks
Southern
Frank Allison (3.38) 6-3
2-6
1-0		 Michael Cunningham (3.52)
Keith Parks (3.52)
Match: 3.64 Rating: 3.64
03/14/2021 D2 Adult 18+
4.0
IJGoatcher
Southern		 W IPHolderness
Southern
David McNeill (3.66) 6-3
6-1		 Bryan Barker (3.44)
Robert Weaver (3.51)
Match: 3.74 Rating: 3.64
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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