Wins
345
Indexed tournament wins
Player record
Yoo Pou Sang
Losses
220
Indexed tournament losses
Matches
565
Decisive results
Win rate
61.1%
Across indexed matches
Peak rating
2,042
Highest rating in the available history.
Biggest upset
Vladimir Arutyunov
2001 WA State Open, Closed, Tr · May 6, 2001 · +338 rating
Open →Biggest loss
David Lotz
2002 Seattle Open · Jun 8, 2002 · -1143 rating
Open →Most frequent opponent
John Ochsner
19 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
74 tournament appearances · synced Aug 9, 2026, 4:19 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 22, 2013 | 2013 Bellevue Fall OpenTournament · View matches | 1,931 | 1,930 | -1+5 / -6 | 2W / 1L |
| Aug 11, 2013 | 2013 SPTTC August OpenTournament · View matches | 1,983 | 1,931 | -52+6 / -58 | 2W / 2L |
| Jul 6, 2013 | US OpenTournament · View matches | 1,900 | 1,983 | +83 | 11W / 3L |
| May 19, 2013 | 2013 SPTTC May OpenTournament · View matches · USATT readjusted 1,835 → 1,886 | 1,835 | 1,900 | +14+74 / -60 | 8W / 3L |
| Apr 28, 2013 | 2013 BTTC Spring OpenTournament · View matches | 1,807 | 1,835 | +28+51 / -23 | 7W / 2L |
| Mar 3, 2013 | 2013 SPTTC March OpenTournament · View matches | 1,925 | 1,807 | -118+43 / -161 | 7W / 6L |
| Jan 20, 2013 | 2013 SPTTC January OpenTournament · View matches | 1,907 | 1,925 | +18+23 / -5 | 6W / 3L |
| Oct 28, 2012 | 2012 SPTTC October OpenTournament · View matches | 1,912 | 1,907 | -5+2 / -7 | 1W / 2L |
| Sep 23, 2012 | 2012 Bellevue Fall OpenTournament · View matches | 1,906 | 1,912 | +6+16 / -10 | 2W / 2L |
| Jul 29, 2012 | Pacific Sports Exchange OpenTournament · View matches | 1,922 | 1,906 | -16+41 / -57 | 5W / 5L |
| Jun 24, 2012 | 2012 Bellevue Summer OpenTournament · View matches | 1,903 | 1,922 | +19 | 4W / 1L |
| Apr 29, 2012 | 2012 Bellevue Spring OpenTournament · View matches | 1,966 | 1,903 | -63+2 / -65 | 2W / 4L |
| Mar 25, 2012 | 2012 Green Lake OpenTournament · View matches | 1,945 | 1,966 | +21 | 6W / 2L |
| Nov 6, 2011 | 2011 Pacific Rim OpenTournament · View matches | 1,937 | 1,945 | +8+14 / -6 | 7W / 3L |
| Sep 25, 2011 | B2011 Bellevue Fall OpenTournament · View matches | 2,012 | 1,937 | -75+7 / -82 | 4W / 3L |
| Apr 24, 2011 | 2011 Bellevue Spring OpenTournament · View matches | 2,007 | 2,012 | +5+23 / -18 | 6W / 2L |
| Nov 7, 2010 | 2010 Li-Ning Pacific Rim OpenTournament · View matches | 2,005 | 2,007 | +2+8 / -6 | 6W / 2L |
| Sep 26, 2010 | Kitsap Open "Showdown Near Seattle"Tournament · View matches | 2,014 | 2,005 | -9+4 / -13 | 1W / 1L |
| Sep 5, 2010 | 2010 Bellevue Fall OpenTournament · View matches | 2,003 | 2,014 | +11+16 / -5 | 5W / 2L |
| Jun 13, 2010 | 2010 Rose City OpenTournament · View matches | 2,011 | 2,003 | -8+0 / -8 | 4W / 3L |