Wins
723
Indexed tournament wins
Player record
Ukapatayasakul, Bill
Losses
512
Indexed tournament losses
Matches
1,235
Decisive results
Win rate
58.5%
Across indexed matches
Peak rating
2,140
Highest rating in the available history.
Biggest upset
Tu, Truong Manh
NW LA Open · Jan 19, 2014 · +427 rating
Open →Biggest loss
Salmeron, Geovanny
NW LA Open · May 3, 2015 · -626 rating
Open →Most frequent opponent
Fahlstrom, Ragnar
11 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
146 tournament appearances · synced Aug 12, 2026, 2:20 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 20, 1994 | Pacific Coast OpenTournament · View matches | 2,055 | 2,069 | +14 | 6W / 3L |
| Jul 4, 1994 | US OpenTournament · View matches | 2,040 | 2,055 | +15+49 / -34 | 10W / 6L |
| Jun 27, 1994 | Meikle John National Seniors OTournament · View matches | 2,073 | 2,040 | -33 | 3W / 5L |
| Jun 5, 1994 | West Covina 1994 OpenTournament · View matches | 2,075 | 2,073 | -2+30 / -32 | 6W / 3L |
| Apr 24, 1994 | Thousand Oaks ClassicTournament · View matches | 2,082 | 2,075 | -7+0 / -7 | 4W / 2L |
| Mar 20, 1994 | 1994 Chinese New Year All StarTournament · View matches · USATT readjusted 1,939 → 2,052 | 1,939 | 2,082 | +30+35 / -5 | 5W / 3L |
141–146 of 146
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