Wins
365
Indexed tournament wins
Player record
John Harrington
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
Samuel Liang
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 8, 2026, 3:34 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 6, 2004 | Meiklejohn National SeniorsTournament · View matches | 1,806 | 1,796 | -10+0 / -10 | 1W / 1L |
| Apr 25, 2004 | Arizona ClosedTournament · View matches | 1,817 | 1,806 | -11+0 / -11 | 2W / 3L |
| Mar 28, 2004 | 2004 Meiklejohn Quaker City OpenTournament · View matches | 1,760 | 1,817 | +57+66 / -9 | 5W / 2L |
| Mar 13, 2004 | Grand Canyon State GamesTournament · View matches | 1,769 | 1,760 | -9+4 / -13 | 5W / 3L |
| Dec 20, 2003 | 2003 USA TT National ChampionshipTournament · View matches | 1,738 | 1,769 | +31+33 / -2 | 6W / 2L |
| Nov 30, 2003 | Valley of the Sun OpenTournament · View matches | 1,743 | 1,738 | -5 | 11W / 4L |
| Oct 12, 2003 | Arizona Giant Round RobinTournament · View matches | 1,753 | 1,743 | -10+2 / -12 | 5W / 2L |
| Aug 10, 2003 | Eastern Open on the 2003 StigaTournament · View matches | 1,777 | 1,753 | -24+49 / -73 | 5W / 3L |
| Jul 6, 2003 | 2003 U.S. OpenTournament · View matches | 1,765 | 1,777 | +12 | 3W / 1L |
| Jun 22, 2003 | Grand Canyon State 2003 SummerTournament · View matches | 1,764 | 1,765 | +1+1 / 0 | 2W / 0L |
| Jun 8, 2003 | Meiklejohn National SeniorsTournament · View matches | 1,766 | 1,764 | -2+5 / -7 | 1W / 1L |
| May 25, 2003 | Arizona SizzlerTournament · View matches | 1,764 | 1,766 | +2+2 / 0 | 5W / 0L |
| Mar 8, 2003 | Grand Canyon State GamesTournament · View matches | 1,764 | 1,764 | 0+0 / 0 | 2W / 0L |
| Feb 16, 2003 | Arizona OpenTournament · View matches | 1,734 | 1,764 | +30+33 / -3 | 5W / 1L |
| Dec 22, 2002 | 2002 US National ChampionshipsTournament · View matches | 1,722 | 1,734 | +12+13 / -1 | 4W / 2L |
| Sep 22, 2002 | Matthew Murad Mem OpenTournament · View matches | 1,715 | 1,722 | +7+13 / -6 | 4W / 2L |
| Sep 1, 2002 | California OpenTournament · View matches | 1,728 | 1,715 | -13+8 / -21 | 5W / 2L |
| Jun 9, 2002 | 2002 Meiklejohn Nat Sr TTTTournament · View matches | 1,680 | 1,728 | +48 | 3W / 2L |
| May 19, 2002 | Western Open on the 2002 StigaTournament · View matches | 1,702 | 1,680 | -22+0 / -22 | 1W / 2L |
| Mar 30, 2002 | Arizona OpenTournament · View matches | 1,682 | 1,702 | +20+20 / 0 | 5W / 0L |