Wins
39
Indexed tournament wins
Player record
Rosenberg, Marvin
Losses
49
Indexed tournament losses
Matches
88
Decisive results
Win rate
44.3%
Across indexed matches
Peak rating
1,152
Highest rating in the available history.
Biggest upset
McCoy, Billie
Huntsman World Senior Games · Oct 8, 2004 · +204 rating
Open →Biggest loss
Brin, William
Meiklejohn North American Seniors · Jun 8, 2008 · -478 rating
Open →Most frequent opponent
Barber, Wally
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
11 tournament appearances · synced Aug 9, 2026, 2:27 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 8, 2008 | Meiklejohn North American SeniorsTournament · View matches | 1,152 | 1,104 | -48+4 / -52 | 2W / 7L |
| May 25, 2008 | LVTT Memorial OpenTournament · View matches | 1,112 | 1,152 | +40+40 / 0 | 1W / 2L |
| Jul 7, 2007 | U.S. Open ChampionshipsTournament · View matches | 1,075 | 1,112 | +37 | 4W / 5L |
| Jun 16, 2007 | Grand Canyon State Summer GameTournament · View matches | 1,048 | 1,075 | +27 | 5W / 2L |
| Oct 12, 2006 | Huntsman World Senior GamesTournament · View matches | 1,015 | 1,048 | +33+38 / -5 | 2W / 4L |
| Feb 19, 2006 | Arizona OpenTournament · View matches | 1,004 | 1,015 | +11+21 / -10 | 5W / 9L |
| Oct 8, 2004 | Huntsman World Senior GamesTournament · View matches | 964 | 1,004 | +40+51 / -11 | 7W / 2L |
| Jul 25, 2004 | Eastern Open on the 2004 StigaTournament · View matches | 961 | 964 | +3+10 / -7 | 3W / 2L |
| Nov 30, 2003 | Valley of the Sun OpenTournament · View matches | 964 | 961 | -3 | 3W / 6L |
| Dec 23, 2001 | 2001 USATT NationalsTournament · View matches · USATT readjusted 868 → 924 | 868 | 964 | +40+45 / -5 | 3W / 5L |
| Jul 22, 2001 | Eastern Open on the 2001 NA ToTournament · View matches · Initial rating 868 | Unrated | 868 | +3+17 / -14 | 4W / 5L |
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