Wins
162
Indexed tournament wins
Player record
Mark Dubin
Losses
88
Indexed tournament losses
Matches
250
Decisive results
Win rate
64.8%
Across indexed matches
Peak rating
2,304
Highest rating in the available history.
Biggest upset
Randy Cohen
Georgia State Games · Jul 23, 1994 · +288 rating
Open →Biggest loss
Ronald W. Rigo
1996 US Open · Jul 7, 1996 · -195 rating
Open →Most frequent opponent
George Cooper
7 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
32 tournament appearances · synced Aug 26, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 4, 1995 | Southern Tour #7Tournament · View matches | 2,256 | 2,263 | +7+14 / -7 | 4W / 3L |
| Feb 11, 1995 | Southern Tour #6Tournament · View matches | 2,298 | 2,256 | -42+1 / -43 | 1W / 3L |
| Dec 18, 1994 | US NationalsTournament · View matches | 2,220 | 2,298 | +78 | 13W / 3L |
| Dec 10, 1994 | Southern Tour #4Tournament · View matches | 2,208 | 2,220 | +12+20 / -8 | 5W / 3L |
| Dec 3, 1994 | Atlanta Fall Open TTTTournament · View matches | 2,227 | 2,208 | -19+7 / -26 | 2W / 2L |
| Nov 12, 1994 | Atlanta Giant Round RobinTournament · View matches | 2,230 | 2,227 | -3+2 / -5 | 5W / 3L |
| Nov 6, 1994 | Southern Tour #3Tournament · View matches | 2,219 | 2,230 | +11+15 / -4 | 5W / 3L |
| Oct 15, 1994 | T-Tonics ClassicsTournament · View matches | 2,213 | 2,219 | +6+8 / -2 | 5W / 1L |
| Sep 3, 1994 | Southern Team ChampionshipsTournament · View matches | 2,205 | 2,213 | +8+29 / -21 | 7W / 3L |
| Jul 23, 1994 | Georgia State GamesTournament · View matches | 2,073 | 2,205 | +132 | 4W / 2L |
| May 14, 1994 | Atlanta Spring Open TT TournamTournament · View matches | 2,090 | 2,073 | -17+5 / -22 | 5W / 4L |
| Apr 16, 1994 | Greater Atlanta ClosedTournament · View matches | 2,106 | 2,090 | -16 | 1W / 0L |
21–32 of 32
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