Wins
149
Indexed tournament wins
Player record
Dewhirst, Ken
Losses
343
Indexed tournament losses
Matches
492
Decisive results
Win rate
30.3%
Across indexed matches
Peak rating
1,428
Highest rating in the available history.
Biggest upset
Simon, Richard
LATTA Open · Feb 2, 2013 · +351 rating
Open →Biggest loss
Wang, Jeffrey
Power Pong May Open · May 28, 2005 · -749 rating
Open →Most frequent opponent
Hachache, Pierre
7 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
77 tournament appearances · synced Aug 9, 2026, 2:24 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 2, 2016 | 2016 Meiklejohn North American Seniors OpenTournament · View matches | 1,321 | 1,312 | -9+25 / -34 | 1W / 4L |
| Mar 26, 2016 | California State OpenTournament · View matches | 1,324 | 1,321 | -3+0 / -3 | 0W / 2L |
| Feb 27, 2016 | Third Annual Laguna Hills High School OpenTournament · View matches | 1,374 | 1,324 | -50+0 / -50 | 0W / 2L |
| Jun 8, 2014 | $16,000 Meiklejohn North American Seniors OpenTournament · View matches | 1,385 | 1,374 | -11+10 / -21 | 3W / 2L |
| Apr 13, 2014 | Dana Point OpenTournament · View matches · USATT readjusted 1,302 → 1,353 | 1,302 | 1,385 | +32+36 / -4 | 4W / 5L |
| Oct 27, 2013 | Neil Smyth MemorialTournament · View matches | 1,340 | 1,302 | -38 | 1W / 4L |
| Aug 25, 2013 | Pacific Coast OpenTournament · View matches | 1,339 | 1,340 | +1+1 / 0 | 1W / 1L |
| Jul 6, 2013 | US OpenTournament · View matches | 1,296 | 1,339 | +43 | 2W / 4L |
| Jun 2, 2013 | Meiklejohn North American Seniors OpenTournament · View matches | 1,307 | 1,296 | -11+8 / -19 | 2W / 3L |
| Feb 2, 2013 | LATTA OpenTournament · View matches · USATT readjusted 1,208 → 1,258 | 1,208 | 1,307 | +49+50 / -1 | 1W / 2L |
| Dec 22, 2012 | 2012 U.S. NationalsTournament · View matches | 1,209 | 1,208 | -1+0 / -1 | 0W / 4L |
| Oct 28, 2012 | Grace Lin TTC OpenTournament · View matches | 1,206 | 1,209 | +3+10 / -7 | 1W / 1L |
| Oct 6, 2012 | LATTA OpenTournament · View matches | 1,260 | 1,206 | -54+2 / -56 | 1W / 3L |
| Sep 23, 2012 | Dana Point OpenTournament · View matches | 1,260 | 1,260 | 0+0 / 0 | 0W / 2L |
| Jul 15, 2012 | Dana Point OpenTournament · View matches | 1,261 | 1,260 | -1+0 / -1 | 1W / 1L |
| Jun 3, 2012 | Meiklejohn North American Seniors OpenTournament · View matches · USATT readjusted 1,118 → 1,208 | 1,118 | 1,261 | +53+60 / -7 | 3W / 3L |
| Sep 4, 2011 | LA Open TT Tournament 2011Tournament · View matches | 1,118 | 1,118 | 0+0 / 0 | 1W / 4L |
| Aug 28, 2011 | Pacific Coast OpenTournament · View matches | 1,112 | 1,118 | +6+6 / 0 | 1W / 4L |
| May 8, 2011 | San Diego/Power Pong OpenTournament · View matches | 1,139 | 1,112 | -27+0 / -27 | 0W / 5L |
| Mar 27, 2011 | Golden Western OpenTournament · View matches | 1,224 | 1,139 | -85+10 / -95 | 1W / 4L |
1–20 of 77
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