Wins
56
Indexed tournament wins
Player record
Mark Hammond
Losses
94
Indexed tournament losses
Matches
150
Decisive results
Win rate
37.3%
Across indexed matches
Peak rating
996
Highest rating in the available history.
Biggest upset
Harold Lemaster
U.S. National Championships · Dec 16, 2006 · +423 rating
Open →Biggest loss
Mikhail Gorodetski
Eastern Open · May 27, 2007 · -394 rating
Open →Most frequent opponent
William Swift
5 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
19 tournament appearances · synced Aug 26, 2026, 2:28 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 19, 2010 | Nashua TTC RR OpenTournament · View matches | 789 | 788 | -1+13 / -14 | 2W / 3L |
| Dec 20, 2008 | USATT Nationals ChampionshipsTournament · View matches | 741 | 789 | +48+48 / 0 | 3W / 2L |
| Sep 14, 2008 | 2008 NA Tour Finals OpenTournament · View matches | 792 | 741 | -51+0 / -51 | 0W / 7L |
| Oct 7, 2007 | 2007 Nashua TTC OpenTournament · View matches | 824 | 792 | -32+5 / -37 | 2W / 7L |
| May 27, 2007 | Eastern OpenTournament · View matches | 888 | 824 | -64+1 / -65 | 1W / 7L |
| May 5, 2007 | Maine TT League Spring OpenTournament · View matches | 907 | 888 | -19+1 / -20 | 4W / 4L |
| Mar 11, 2007 | 2007 Gate City OpenTournament · View matches | 963 | 907 | -56 | 4W / 9L |
| Feb 18, 2007 | New Hampshire RR OpenTournament · View matches | 996 | 963 | -33 | 3W / 4L |
| Dec 16, 2006 | U.S. National ChampionshipsTournament · View matches · USATT readjusted 762 → 958 | 762 | 996 | +38+56 / -18 | 6W / 5L |
| Jul 8, 2006 | U.S. OpenTournament · View matches | 779 | 762 | -17+20 / -37 | 5W / 5L |
| May 6, 2006 | Maine Spring OpenTournament · View matches | 777 | 779 | +2+4 / -2 | 3W / 2L |
| Mar 12, 2006 | Quaker City Open & Meiklejohn Tournament · View matches | 789 | 777 | -12 | 4W / 4L |
| Feb 19, 2006 | New Hampshire RR OpenTournament · View matches | 773 | 789 | +16 | 4W / 3L |
| Dec 17, 2005 | 2005 US Nationals ChampionshipTournament · View matches | 651 | 773 | +122 | 4W / 4L |
| Oct 23, 2005 | Lafayette OpenTournament · View matches · USATT readjusted 532 → 606 | 532 | 651 | +45+45 / 0 | 5W / 4L |
| Oct 8, 2005 | Maine Fall OpenTournament · View matches | 491 | 532 | +41+41 / 0 | 2W / 5L |
| Oct 2, 2005 | 2005 SpinmaniaTournament · View matches | 471 | 491 | +20 | 2W / 5L |
| Feb 13, 2005 | New Hampshire RR OpenTournament · View matches | 476 | 471 | -5 | 0W / 7L |
| Feb 15, 2004 | New Hampshire RR OpenTournament · View matches · Initial rating 476 | Unrated | 476 | — | 2W / 7L |
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