Wins
119
Indexed tournament wins
Player record
Guo, Matthew
Losses
79
Indexed tournament losses
Matches
198
Decisive results
Win rate
60.1%
Across indexed matches
Peak rating
1,977
Highest rating in the available history.
Biggest upset
Fang, Haolin
Concord Cup Youth Open · Oct 24, 2010 · +748 rating
Open →Biggest loss
Koh, Wee Jin
Concord Cup Youth Open · Oct 24, 2010 · -398 rating
Open →Most frequent opponent
Chen, Michael
5 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
19 tournament appearances · synced Aug 8, 2026, 2:15 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 22, 2012 | 2012 U.S. NationalsTournament · View matches | 1,890 | 1,977 | +87 | 13W / 9L |
| Sep 23, 2012 | 2012 Berkeley Open on JOOLA North America TourTournament · View matches | 1,854 | 1,890 | +36+41 / -5 | 5W / 4L |
| Sep 16, 2012 | JUIC International Jr. & Cadet ChampionshipTournament · View matches | 1,885 | 1,854 | -31+2 / -33 | 1W / 4L |
| May 27, 2012 | ICC California State OpenTournament · View matches | 1,867 | 1,885 | +18+23 / -5 | 6W / 3L |
| Dec 17, 2011 | 2011 US NationalsTournament · View matches | 1,550 | 1,867 | +317 | 13W / 9L |
| Nov 6, 2011 | JUIC International Jr. & Cadet ChampionshipTournament · View matches | 1,554 | 1,550 | -4+0 / -4 | 1W / 3L |
| Oct 23, 2011 | Concord Cup Youth OpenTournament · View matches | 1,536 | 1,554 | +18+22 / -4 | 5W / 4L |
| Sep 25, 2011 | 2011 Berkeley Open on the JOOLA NA TourTournament · View matches | 1,570 | 1,536 | -34+0 / -34 | 0W / 5L |
| Aug 28, 2011 | 2011 West Coast Summer OpenTournament · View matches | 1,522 | 1,570 | +48 | 7W / 2L |
| Jun 5, 2011 | ICC CA State OpenTournament · View matches | 1,567 | 1,522 | -45 | 6W / 3L |
| Apr 24, 2011 | 2011 West Coast Spring OpenTournament · View matches | 1,597 | 1,567 | -30 | 4W / 2L |
| Dec 18, 2010 | 2010 US NationalsTournament · View matches | 1,367 | 1,597 | +230 | 27W / 5L |
| Dec 5, 2010 | ICC CA State OpenTournament · View matches | 1,059 | 1,367 | +308 | 3W / 3L |
| Oct 24, 2010 | Concord Cup Youth OpenTournament · View matches · USATT readjusted 817 → 954 | 817 | 1,059 | +105+150 / -45 | 4W / 3L |
| Sep 5, 2010 | 2010 Berkeley Open on the JOOLA NA TourTournament · View matches | 750 | 817 | +67 | 11W / 6L |
| May 30, 2010 | Golden State OpenTournament · View matches | 610 | 750 | +140 | 5W / 2L |
| Feb 20, 2010 | 2010 Western Open on the JOOLA NA TourTournament · View matches | 408 | 610 | +202 | 4W / 4L |
| Dec 6, 2009 | ICC California State OpenTournament · View matches | 383 | 408 | +25+42 / -17 | 4W / 3L |
| Oct 25, 2009 | Concord Youth CupTournament · View matches · Initial rating 383 | Unrated | 383 | — | 0W / 5L |
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