Wins
1,836
Indexed tournament wins
Player record
Mark Berg
Losses
1,484
Indexed tournament losses
Matches
3,320
Decisive results
Win rate
55.3%
Across indexed matches
Peak rating
2,037
Highest rating in the available history.
Biggest upset
Wai M. Wong
2026 USATT Northeast Regional Championships · May 16, 2026 · +576 rating
Open →Biggest loss
Kastner, Frankz
NYTTF October Open · Oct 5, 2008 · -1189 rating
Open →Most frequent opponent
Robert Spitzer
32 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
413 tournament appearances · synced Aug 9, 2026, 2:47 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 14, 2010 | NJTTC 2010 November OpenTournament · View matches | 1,813 | 1,789 | -24+20 / -44 | 6W / 3L |
| Nov 6, 2010 | RoboPong November BTTC OpenTournament · View matches | 1,809 | 1,813 | +4+7 / -3 | 4W / 5L |
| Oct 31, 2010 | 13th FIT Open TT ChampionshipsTournament · View matches | 1,806 | 1,809 | +3 | 5W / 5L |
| Oct 3, 2010 | NYITTC September 2010 OpenTournament · View matches | 1,783 | 1,806 | +23 | 4W / 2L |
| Sep 26, 2010 | NJTTC 2010 September OpenTournament · View matches | 1,814 | 1,783 | -31+0 / -31 | 2W / 3L |
| Sep 19, 2010 | Nashua TTC RR OpenTournament · View matches | 1,796 | 1,814 | +18+23 / -5 | 3W / 1L |
| Aug 29, 2010 | 2010 DSP/NYTTF Open SeriesTournament · View matches | 1,852 | 1,796 | -56+6 / -62 | 4W / 4L |
| Aug 22, 2010 | BTTC August OpenTournament · View matches · USATT readjusted 1,864 → 1,874 | 1,864 | 1,852 | -22+18 / -40 | 10W / 2L |
| Aug 15, 2010 | NYTT August OpenTournament · View matches | 1,857 | 1,864 | +7+20 / -13 | 6W / 3L |
| Jun 27, 2010 | 2010 DSP/NYTTF Open SeriesTournament · View matches | 1,859 | 1,857 | -2+2 / -4 | 4W / 4L |
| Jun 20, 2010 | New Hampshire RR OpenTournament · View matches | 1,853 | 1,859 | +6+30 / -24 | 3W / 3L |
| Jun 6, 2010 | 2010 BTTC OpenTournament · View matches | 1,905 | 1,853 | -52+2 / -54 | 4W / 2L |
| May 30, 2010 | 2010 Spintech SpinathonTournament · View matches | 1,874 | 1,905 | +31+35 / -4 | 9W / 4L |
| May 23, 2010 | 2010 Eastern Open on the JOOLA NA TourTournament · View matches | 1,872 | 1,874 | +2+18 / -16 | 6W / 4L |
| May 16, 2010 | NJTTC May OpenTournament · View matches | 1,878 | 1,872 | -6+41 / -47 | 5W / 3L |
| May 2, 2010 | 2010 BTTC OpenTournament · View matches | 1,883 | 1,878 | -5+13 / -18 | 5W / 2L |
| Apr 25, 2010 | 2010 DSP/NYTTF Open SeriesTournament · View matches | 1,891 | 1,883 | -8+1 / -9 | 3W / 4L |
| Mar 28, 2010 | 2010 BTTC OpenTournament · View matches | 1,920 | 1,891 | -29+1 / -30 | 6W / 1L |
| Mar 21, 2010 | RI 2010 Spring OpenTournament · View matches | 1,927 | 1,920 | -7 | 8W / 3L |
| Mar 14, 2010 | NJTTC March OpenTournament · View matches | 1,918 | 1,927 | +9 | 8W / 1L |