Wins
49
Indexed tournament wins
Player record
Armstrong, M.D.
Losses
71
Indexed tournament losses
Matches
120
Decisive results
Win rate
40.8%
Across indexed matches
Peak rating
1,660
Highest rating in the available history.
Biggest upset
Michael Ward
2002 US National Championships · Dec 22, 2002 · +489 rating
Open →Biggest loss
Yip, Sam
Pacific Coast · Aug 29, 2004 · -436 rating
Open →Most frequent opponent
Hwang, Colin
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
16 tournament appearances · synced Aug 8, 2026, 2:17 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 27, 2006 | Pacific Coast OpenTournament · View matches | 1,660 | 1,580 | -80 | 2W / 12L |
| Mar 26, 2006 | Golden Western OpenTournament · View matches | 1,512 | 1,660 | +148 | 8W / 9L |
| Dec 17, 2005 | 2005 US Nationals ChampionshipTournament · View matches | 1,518 | 1,512 | -6+0 / -6 | 0W / 5L |
| Aug 29, 2004 | Pacific CoastTournament · View matches | 1,600 | 1,518 | -82 | 1W / 5L |
| Dec 20, 2003 | 2003 USA TT National ChampionshipTournament · View matches | 1,475 | 1,600 | +125 | 9W / 4L |
| Aug 24, 2003 | Pacific Coast OpenTournament · View matches · USATT readjusted 1,332 → 1,456 | 1,332 | 1,475 | +19+39 / -20 | 7W / 4L |
| Jun 29, 2003 | California State OpenTournament · View matches | 1,290 | 1,332 | +42+50 / -8 | 1W / 5L |
| Mar 30, 2003 | Golden Western States OpenTournament · View matches | 1,169 | 1,290 | +121 | 5W / 2L |
| Dec 22, 2002 | 2002 US National ChampionshipsTournament · View matches | 812 | 1,169 | +357 | 12W / 2L |
| Jun 21, 1998 | California State OpenTournament · View matches | 814 | 812 | -2+0 / -2 | 0W / 2L |
| Jun 1, 1997 | High Desert OpenTournament · View matches | 815 | 814 | -1 | 0W / 3L |
| Feb 23, 1997 | 1997 Arizona OpenTournament · View matches | 847 | 815 | -32 | 1W / 6L |
| Jan 18, 1997 | Sacramento Winter OpenTournament · View matches | 985 | 847 | -138 | 0W / 6L |
| Dec 1, 1996 | Loma Linda US Nationals Warm-uTournament · View matches | 984 | 985 | +1+3 / -2 | 2W / 2L |
| Nov 3, 1996 | Pacific Coast Memorial OpenTournament · View matches | 1,000 | 984 | -16+0 / -16 | 1W / 2L |
| Oct 6, 1996 | Loma Linda Fall OpenTournament · View matches · Initial rating 1,000 | Unrated | 1,000 | — | 0W / 2L |
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