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 11, 2026, 4:10 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 14, 2004 | Buckeye OpenTournament · View matches | 2,374 | 2,365 | -9+13 / -22 | 12W / 4L |
| Feb 21, 2004 | Columbus Giant RR OpenTournament · View matches | 2,371 | 2,374 | +3+3 / 0 | 9W / 0L |
| Jan 18, 2004 | The 2004 Cleveland Winter OpenTournament · View matches | 2,371 | 2,371 | 0+0 / 0 | 17W / 0L |
| Nov 30, 2003 | North American TeamsTournament · View matches | 2,327 | 2,371 | +44 | 18W / 5L |
| Nov 8, 2003 | Dayton Giant RR OpenTournament · View matches | 2,323 | 2,327 | +4+4 / 0 | 8W / 0L |
| Oct 19, 2003 | 2003 Millcreek OpenTournament · View matches | 2,357 | 2,323 | -34+7 / -41 | 9W / 2L |
| Oct 12, 2003 | 2003 MDTTC October OpenTournament · View matches | 2,355 | 2,357 | +2+2 / 0 | 5W / 0L |
| Oct 4, 2003 | Three Rivers 2003 Fall TournamentTournament · View matches | 2,354 | 2,355 | +1+3 / -2 | 7W / 2L |
| Sep 28, 2003 | The 4th Annual Willoughby HillsTournament · View matches | 2,352 | 2,354 | +2+2 / 0 | 11W / 0L |
| Sep 7, 2003 | 2003 Spin ManiaTournament · View matches · USATT readjusted 2,270 → 2,322 | 2,270 | 2,352 | +30+36 / -6 | 11W / 5L |
| Aug 24, 2003 | Macy Block OpenTournament · View matches | 2,324 | 2,270 | -54+4 / -58 | 4W / 5L |
| Aug 10, 2003 | Eastern Open on the 2003 StigaTournament · View matches | 2,368 | 2,324 | -44+29 / -73 | 10W / 3L |
| Jul 6, 2003 | 2003 U.S. OpenTournament · View matches | 2,360 | 2,368 | +8 | 9W / 4L |
| Jun 15, 2003 | Stiga Open on the 2003 Stiga NTournament · View matches | 2,343 | 2,360 | +17+39 / -22 | 5W / 3L |
| Jun 7, 2003 | Ohio Championship ClosedTournament · View matches | 2,331 | 2,343 | +12 | 7W / 0L |
| Jun 1, 2003 | 4th Garden State OpenTournament · View matches | 2,297 | 2,331 | +34+35 / -1 | 5W / 2L |
| May 4, 2003 | 2003 Cleveland Spring OpenTournament · View matches | 2,264 | 2,297 | +33+41 / -8 | 12W / 4L |
| Apr 13, 2003 | 39th St. Joseph Valley OpenTournament · View matches | 2,329 | 2,264 | -65 | 5W / 3L |
| Apr 5, 2003 | Dayton Giant RR OpenTournament · View matches | 2,318 | 2,329 | +11+11 / 0 | 8W / 0L |
| Mar 22, 2003 | US Team TrialsTournament · View matches | 2,317 | 2,318 | +1+7 / -6 | 2W / 2L |