Wins
206
Indexed tournament wins
Player record
Hamilton, Mark
Losses
209
Indexed tournament losses
Matches
415
Decisive results
Win rate
49.6%
Across indexed matches
Peak rating
1,789
Highest rating in the available history.
Biggest upset
Murray, John
Waltham November Invitational · Nov 13, 1994 · +515 rating
Open →Biggest loss
O'Neil, Shane
New Hampshire RR Open · Mar 24, 1996 · -786 rating
Open →Most frequent opponent
Woodward, Bob
12 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
51 tournament appearances · synced Aug 8, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Oct 23, 1999 | Vermont October Open Giant RRTournament · View matches | 1,689 | 1,658 | -31+11 / -42 | 2W / 4L |
| Apr 25, 1999 | In the Red OpenTournament · View matches | 1,752 | 1,689 | -63+0 / -63 | 0W / 4L |
| Apr 3, 1999 | Windsor Vermont April 1999 GiaTournament · View matches | 1,767 | 1,752 | -15+12 / -27 | 3W / 3L |
| Mar 7, 1999 | 1999 New Hampshire RR OpenTournament · View matches | 1,789 | 1,767 | -22+22 / -44 | 4W / 3L |
| Nov 29, 1998 | 1998 North American Teams ChampionshipsTournament · View matches | 1,761 | 1,789 | +28+54 / -26 | 7W / 10L |
| Nov 22, 1998 | Beantown Pro Duck TourTournament · View matches | 1,763 | 1,761 | -2+17 / -19 | 5W / 3L |
| Nov 8, 1998 | Bay State Giant RRTournament · View matches | 1,719 | 1,763 | +44+54 / -10 | 6W / 1L |
| Jul 5, 1998 | 1998 US OpenTournament · View matches · USATT readjusted 1,587 → 1,698 | 1,587 | 1,719 | +21+45 / -24 | 9W / 7L |
| Apr 18, 1998 | Ralph Robinson Memorial OpenTournament · View matches | 1,642 | 1,587 | -55+2 / -57 | 1W / 4L |
| Jan 11, 1998 | 1998 New Hampshire RR OpenTournament · View matches | 1,634 | 1,642 | +8+29 / -21 | 3W / 4L |
| Nov 15, 1997 | 1997 MIT OpenTournament · View matches | 1,642 | 1,634 | -8 | 1W / 3L |
| Jul 6, 1997 | U.S. OpenTournament · View matches | 1,565 | 1,642 | +77+98 / -21 | 6W / 9L |
| Jan 11, 1997 | Bay State Holiday OpenTournament · View matches | 1,517 | 1,565 | +48+60 / -12 | 3W / 5L |
| Sep 15, 1996 | Strike One Sept OpenTournament · View matches | 1,467 | 1,517 | +50 | 3W / 2L |
| Aug 11, 1996 | Strike One Aug OpenTournament · View matches | 1,487 | 1,467 | -20+10 / -30 | 3W / 1L |
| Mar 24, 1996 | New Hampshire RR OpenTournament · View matches | 1,478 | 1,487 | +9 | 2W / 6L |
| Jan 28, 1996 | Waltham January Open RRTournament · View matches | 1,487 | 1,478 | -9+2 / -11 | 4W / 4L |
| Nov 5, 1995 | Waltham Nov. Open RRTournament · View matches · USATT readjusted 1,371 → 1,443 | 1,371 | 1,489 | +46+52 / -6 | 4W / 4L |
| Oct 8, 1995 | Waltham Oct. Open RRTournament · View matches | 1,321 | 1,371 | +50 | 5W / 4L |
| Aug 20, 1995 | Strike One August OpenTournament · View matches | 1,289 | 1,321 | +32+37 / -5 | 5W / 3L |