Wins
497
Indexed tournament wins
Player record
Mark Cohen
Losses
679
Indexed tournament losses
Matches
1,176
Decisive results
Win rate
42.3%
Across indexed matches
Peak rating
1,517
Highest rating in the available history.
Biggest upset
Fong Hsu
Maryland December Circuit · Dec 10, 2000 · +352 rating
Open →Biggest loss
Franklin, Donald
Stiga N.A. Teams Championships · Dec 1, 2002 · -577 rating
Open →Most frequent opponent
William Van Wright
59 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
131 tournament appearances · synced Aug 8, 2026, 3:34 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 27, 2011 | 2011 JOOLA N. American Teams OTournament · View matches | 1,497 | 1,506 | +9+47 / -38 | 7W / 14L |
| Nov 28, 2010 | 2010 JOOLA N. American TeamsTournament · View matches | 1,517 | 1,497 | -20 | 7W / 6L |
| Jun 5, 2010 | Maryland CircuitTournament · View matches | 1,499 | 1,517 | +18+26 / -8 | 8W / 4L |
| May 8, 2010 | Maryland CircuitTournament · View matches · USATT readjusted 1,389 → 1,462 | 1,389 | 1,499 | +37+54 / -17 | 7W / 6L |
| Nov 29, 2009 | 2009 JOOLA N. American Teams OTournament · View matches | 1,382 | 1,389 | +7 | 4W / 14L |
| Nov 30, 2008 | 2008 JOOLA American Teams OpenTournament · View matches | 1,328 | 1,382 | +54 | 10W / 10L |
| Jan 27, 2008 | Club Joola January OpenTournament · View matches | 1,346 | 1,328 | -18+8 / -26 | 2W / 6L |
| Nov 25, 2007 | 2007 JOOLA N. American Teams OTournament · View matches | 1,398 | 1,346 | -52 | 4W / 6L |
| Jul 8, 2007 | Maryland CircuitTournament · View matches | 1,351 | 1,398 | +47+72 / -25 | 11W / 2L |
| Apr 15, 2007 | Maryland CircuitTournament · View matches | 1,315 | 1,351 | +36+44 / -8 | 7W / 3L |
| Aug 26, 2006 | Maryland Giant RRTournament · View matches | 1,374 | 1,315 | -59+5 / -64 | 1W / 4L |
| May 7, 2006 | Maryland CircuitTournament · View matches | 1,389 | 1,374 | -15+43 / -58 | 7W / 4L |
| Feb 25, 2006 | Maryland Giant RRTournament · View matches | 1,408 | 1,389 | -19+3 / -22 | 3W / 4L |
| Feb 5, 2006 | Maryland CircuitTournament · View matches | 1,468 | 1,408 | -60+0 / -60 | 7W / 4L |
| Dec 4, 2005 | Maryland CircuitTournament · View matches | 1,420 | 1,468 | +48+70 / -22 | 4W / 5L |
| Nov 27, 2005 | 2005 N. American Teams Open ChTournament · View matches | 1,329 | 1,420 | +91 | 8W / 11L |
| Nov 19, 2005 | Maryland Giant RRTournament · View matches | 1,401 | 1,329 | -72+0 / -72 | 4W / 8L |
| Sep 24, 2005 | Maryland Giant RRTournament · View matches | 1,391 | 1,401 | +10+16 / -6 | 5W / 4L |
| Sep 18, 2005 | Maryland CircuitTournament · View matches | 1,390 | 1,391 | +1 | 4W / 2L |
| Apr 16, 2005 | Maryland ClosedTournament · View matches | 1,359 | 1,390 | +31+40 / -9 | 1W / 6L |
1–20 of 131
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