Statistical Analysis and Estimated Tennis Ratings to the 10,000th of a Point
Match History (2019) View Advanced Player Stats
Irwin Cohen (Alamo, CA)
Male 		3.5 C
12/31/2021
Estimated Dynamic Rating 3.3905
11/24/2024
Projected Year End Rating ------
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3.5 Rating Meter
Rating Meter
3.0001 - 3.5000
Recent Match History Current Rating History
2019 Overall Season
League/Level Total
Matches		 Win Loss Tie WPct Total
Sets		 Win Loss WPct Total
Games		 Win Loss WPct Defaults
Adult 65+ 7.0 2 1 1 0 50.0 5 2 3 40.0 33 13 20 39.4 0
Adult 65+ 8.0 8 0 8 0 0.0 18 2 16 11.1 137 43 94 31.4 0
Adult 70+ 7.0 2 2 0 0 100.0 5 4 1 80.0 33 22 11 66.7 0
Total 12 3 9 0 25.0 28 8 20 28.6 203 78 125 38.4 0
Match Date League Team Court Partner Opponent(s) W/L Result Match Rating
11/07/2019 Adult 70+
7.0		 WILLOW PASS PK S70M7.0A
No California		 D2 Michael Bloomstein
(2.88) 		Kevin Jones
(3.54)
Oliver Wright
(2.84) 		W 6-4
3-6
1-0		 3.45 3.41
10/22/2019 Adult 70+
7.0		 WILLOW PASS PK S70M7.0A
No California		 D3 David Gwynn
(3.01) 		Dan Chuba
(2.47)
Charles Smith
(3.03) 		W 6-1
6-0		 3.41 3.40
05/24/2019 Adult 65+
8.0		 WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 D1 Michael Rolley
(3.50) 		Joe Olson
(3.35)
David Zirkle
(4.03) 		L 6-1
6-1		 3.27 3.37
05/09/2019 Adult 65+
8.0		 WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 D2 Paul McBrearty
(3.35) 		James Horen
(4.13)
Bruce Lunsford
(3.40) 		L 6-3
6-1		 3.49 3.42
05/07/2019 Adult 65+
8.0		 WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 D2 George Braue
(3.36) 		Steve Wheeler
(3.70)
Randy Jang
(3.88) 		L 6-1
6-1		 3.39 3.39
04/30/2019 Adult 65+
8.0		 WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 D1 Richard Morgan
(3.56) 		Joe Olson
(3.39)
David Zirkle
(4.03) 		L 6-1
6-2		 3.30 3.39
04/23/2019 Adult 65+
8.0		 WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 D1 Michael Rolley
(3.44) 		John Barsky
(3.74)
Peter OBrien
(3.76) 		L 6-1
6-3		 3.43 3.42
04/09/2019 Adult 65+
8.0		 WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 D1 Joel Schaffer
(3.69) 		Lee Otsuki
(3.52)
Joe Olson
(3.36) 		L 7-6
7-6		 3.27 3.37
03/26/2019 Adult 65+
8.0		 WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 D2 james Hopkins
(3.41) 		Robert Gerson
(3.91)
Thomas Yankowski
(3.42) 		L 3-6
6-1
1-0		 3.59 3.45
03/12/2019 Adult 65+
8.0		 WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 D3 Paul McBrearty
(3.31) 		Rich Green
(3.68)
Bill Prentiss
(3.64) 		L 3-6
6-3
1-0		 3.64 3.44
02/02/2019 Adult 65+
7.0
Nationals		 WILLOW PASS PK 65AM7.0A
No California		 D3 Fernando Lema
(3.29) 		Lennie Brand
(3.40)
Bobby Williams
(2.71) 		W 3-6
6-2
1-0		 3.17 3.34
02/01/2019 Adult 65+
7.0
Nationals		 WILLOW PASS PK 65AM7.0A
No California		 D3 Fernando Lema
(3.37) 		Charles Wengreen
(3.46)
Brian Gundersen
(3.42) 		L 6-1
6-2		 3.18 3.41
11/07/2019 D2 Adult 70+
7.0
WILLOW PASS PK S70M7.0A
No California		 W LANEY TA/MILLS COLLEGE S70M7.0A
No California
Michael Bloomstein (2.88) 6-4
3-6
1-0		 Kevin Jones (3.54)
Oliver Wright (2.84)
Match: 3.45 Rating: 3.41
10/22/2019 D3 Adult 70+
7.0
WILLOW PASS PK S70M7.0A
No California		 W BLACKHAWK CC S70M7.0A
No California
David Gwynn (3.01) 6-1
6-0		 Dan Chuba (2.47)
Charles Smith (3.03)
Match: 3.41 Rating: 3.40
05/24/2019 D1 Adult 65+
8.0
WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 L ROUND HILL CC 65AM8.0A
No California
Michael Rolley (3.50) 6-1
6-1		 Joe Olson (3.35)
David Zirkle (4.03)
Match: 3.27 Rating: 3.37
05/09/2019 D2 Adult 65+
8.0
WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 L FREMONT TC 65AM8.0A
No California
Paul McBrearty (3.35) 6-3
6-1		 James Horen (4.13)
Bruce Lunsford (3.40)
Match: 3.49 Rating: 3.42
05/07/2019 D2 Adult 65+
8.0
WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 L FREMONT TC 65AM8.0A
No California
George Braue (3.36) 6-1
6-1		 Steve Wheeler (3.70)
Randy Jang (3.88)
Match: 3.39 Rating: 3.39
04/30/2019 D1 Adult 65+
8.0
WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 L ROUND HILL CC 65AM8.0A
No California
Richard Morgan (3.56) 6-1
6-2		 Joe Olson (3.39)
David Zirkle (4.03)
Match: 3.30 Rating: 3.39
04/23/2019 D1 Adult 65+
8.0
WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 L BERKELEY TC 65AM8.0A
No California
Michael Rolley (3.44) 6-1
6-3		 John Barsky (3.74)
Peter OBrien (3.76)
Match: 3.43 Rating: 3.42
04/09/2019 D1 Adult 65+
8.0
WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 L ROUND HILL CC 65AM8.0A
No California
Joel Schaffer (3.69) 7-6
7-6		 Lee Otsuki (3.52)
Joe Olson (3.36)
Match: 3.27 Rating: 3.37
03/26/2019 D2 Adult 65+
8.0
WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 L FREMONT TC 65AM8.0A
No California
james Hopkins (3.41) 3-6
6-1
1-0		 Robert Gerson (3.91)
Thomas Yankowski (3.42)
Match: 3.59 Rating: 3.45
03/12/2019 D3 Adult 65+
8.0
WALNUT CREEK RC/WALNUT CREEK 65AM8.0A
No California		 L BERKELEY TC 65AM8.0A
No California
Paul McBrearty (3.31) 3-6
6-3
1-0		 Rich Green (3.68)
Bill Prentiss (3.64)
Match: 3.64 Rating: 3.44
02/02/2019 D3 Adult 65+
7.0
Nationals
WILLOW PASS PK 65AM7.0A
No California		 W SoCal/Forsyth/65&Over7.0M-BC PVTC
So California
Fernando Lema (3.29) 3-6
6-2
1-0		 Lennie Brand (3.40)
Bobby Williams (2.71)
Match: 3.17 Rating: 3.34
02/01/2019 D3 Adult 65+
7.0
Nationals
WILLOW PASS PK 65AM7.0A
No California		 L WRAC-Wengreen
Pacific NW
Fernando Lema (3.37) 6-1
6-2		 Charles Wengreen (3.46)
Brian Gundersen (3.42)
Match: 3.18 Rating: 3.41
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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