Wins
30
Indexed tournament wins
Player record
Guerin, Bill
Losses
38
Indexed tournament losses
Matches
68
Decisive results
Win rate
44.1%
Across indexed matches
Peak rating
1,443
Highest rating in the available history.
Biggest upset
Auyeung, Jeff
2012 U.S. Nationals · Dec 22, 2012 · +508 rating
Open →Biggest loss
Anand, Gautam
USATT Nationals · Dec 21, 2013 · -338 rating
Open →Most frequent opponent
Girton, Ken
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
9 tournament appearances · synced Aug 8, 2026, 2:18 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 14, 2015 | US NationalsTournament · View matches | 1,431 | 1,420 | -11+0 / -11 | 0W / 3L |
| Dec 21, 2013 | USATT NationalsTournament · View matches | 1,443 | 1,431 | -12 | 0W / 3L |
| Dec 8, 2013 | 2013 Valley of the Sun OpenTournament · View matches · USATT readjusted 1,366 → 1,419 | 1,366 | 1,443 | +24+41 / -17 | 4W / 3L |
| Sep 29, 2013 | 2013 Best of the West OpenTournament · View matches | 1,377 | 1,366 | -11+5 / -16 | 3W / 6L |
| Jun 9, 2013 | 2013 Rose City OpenTournament · View matches · USATT readjusted 1,311 → 1,363 | 1,311 | 1,377 | +14+60 / -46 | 6W / 3L |
| Mar 16, 2013 | 7th Annual Bill Mason Memorial OpenTournament · View matches | 1,337 | 1,311 | -26 | 6W / 2L |
| Dec 22, 2012 | 2012 U.S. NationalsTournament · View matches | 1,015 | 1,337 | +322 | 6W / 9L |
| Dec 18, 2010 | 2010 US NationalsTournament · View matches | 969 | 1,015 | +46+47 / -1 | 2W / 7L |
| Dec 19, 2009 | 2009 US NationalsTournament · View matches · Initial rating 969 | Unrated | 969 | — | 3W / 2L |
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