Wins
365
Indexed tournament wins
Player record
Harrington, John
Losses
240
Indexed tournament losses
Matches
605
Decisive results
Win rate
60.3%
Across indexed matches
Peak rating
1,890
Highest rating in the available history.
Biggest upset
Liang, Samuel
2002 Meiklejohn Nat Sr TTT · Jun 9, 2002 · +267 rating
Open →Biggest loss
Shi, Ming
Meiklejohn North American Seni · Jun 3, 2007 · -455 rating
Open →Most frequent opponent
Baldner, Roger
10 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
106 tournament appearances · synced Aug 9, 2026, 2:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 23, 1997 | 1997 Arizona OpenTournament · View matches | 1,844 | 1,831 | -13+3 / -16 | 2W / 1L |
| Dec 22, 1996 | 1996 U.S. NationalsTournament · View matches | 1,816 | 1,844 | +28+34 / -6 | 6W / 2L |
| Oct 27, 1996 | 1996 Tucson InvitationalTournament · View matches | 1,833 | 1,816 | -17+10 / -27 | 8W / 2L |
| Apr 23, 1995 | Arizona Closed TTTTournament · View matches | 1,870 | 1,833 | -37 | 4W / 1L |
| Mar 5, 1995 | Arizona Open TTTTournament · View matches | 1,890 | 1,870 | -20+0 / -20 | 2W / 1L |
| Apr 24, 1994 | Arizona ClosedTournament · View matches | 1,888 | 1,890 | +2+8 / -6 | 6W / 1L |
101–106 of 106
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