Wins
2,248
Indexed tournament wins
Player record
Samson Dubina
Losses
711
Indexed tournament losses
Matches
2,959
Decisive results
Win rate
76.0%
Across indexed matches
Peak rating
2,614
Highest rating in the available history.
Biggest upset
Mark Hazinski
1999 AAU/Nationals · Aug 6, 1999 · +352 rating
Open →Biggest loss
Bisker, Oleg
1998 AAU Junior Olympics · Aug 9, 1998 · -590 rating
Open →Most frequent opponent
Don Hamilton
38 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
345 tournament appearances · synced Aug 8, 2026, 3:32 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 20, 2011 | 2011 "Think Spring" OpenTournament · View matches | 2,484 | 2,486 | +2+14 / -12 | 10W / 2L |
| Jan 22, 2011 | 1st "Grand" Clearwater Category 5 OpenTournament · View matches | 2,467 | 2,484 | +17+23 / -6 | 9W / 1L |
| Dec 18, 2010 | 2010 US NationalsTournament · View matches | 2,470 | 2,467 | -3 | 3W / 1L |
| Nov 20, 2010 | Oberlin College OpenTournament · View matches | 2,459 | 2,470 | +11+26 / -15 | 11W / 2L |
| Nov 14, 2010 | South Shore Sports / Butterfly OpenTournament · View matches | 2,428 | 2,459 | +31+35 / -4 | 4W / 1L |
| Sep 25, 2010 | Macy Block OpenTournament · View matches | 2,426 | 2,428 | +2+2 / 0 | 5W / 1L |
| Sep 19, 2010 | 2010 Badger OpenTournament · View matches | 2,422 | 2,426 | +4+5 / -1 | 1W / 1L |
| Sep 12, 2010 | Power Pong OpenTournament · View matches | 2,421 | 2,422 | +1+3 / -2 | 3W / 1L |
| Aug 22, 2010 | Strongsville Summer OpenTournament · View matches | 2,419 | 2,421 | +2+2 / 0 | 11W / 0L |
| Aug 15, 2010 | 2010 Indiana OpenTournament · View matches | 2,458 | 2,419 | -39+1 / -40 | 9W / 1L |
| Jul 3, 2010 | 2010 North American ChampionshipTournament · View matches | 2,411 | 2,458 | +47 | 3W / 1L |
| Jul 3, 2010 | 2010 US OpenTournament · View matches | 2,460 | 2,411 | -49+0 / -49 | 2W / 2L |
| Jun 19, 2010 | Macy Block OpenTournament · View matches | 2,471 | 2,460 | -11+2 / -13 | 6W / 1L |
| Jun 6, 2010 | Indy Giant RR & 2-Man TeamsTournament · View matches | 2,465 | 2,471 | +6+6 / 0 | 9W / 0L |
| May 22, 2010 | 2010 CCY TT TournamentTournament · View matches | 2,481 | 2,465 | -16+0 / -16 | 6W / 1L |
| May 8, 2010 | $1300 Paddle Palace OpenTournament · View matches | 2,481 | 2,481 | 0+0 / 0 | 10W / 0L |
| Apr 17, 2010 | Dayton Giant RR OpenTournament · View matches | 2,481 | 2,481 | 0+0 / 0 | 9W / 0L |
| Apr 11, 2010 | Newgy Strongsville Show DownTournament · View matches | 2,475 | 2,481 | +6+6 / 0 | 14W / 0L |
| Mar 28, 2010 | 12th FIT Open TT ChampionshipsTournament · View matches | 2,470 | 2,475 | +5+8 / -3 | 4W / 1L |
| Mar 7, 2010 | Newgy Texas Wesleyan OpenTournament · View matches | 2,462 | 2,470 | +8+11 / -3 | 5W / 1L |