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, 3:08 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 21, 2009 | Maryland Giant RRTournament · View matches | 1,891 | 1,851 | -40+7 / -47 | 8W / 2L |
| Mar 15, 2009 | NJTTC March OpenTournament · View matches | 1,921 | 1,891 | -30+11 / -41 | 4W / 3L |
| Mar 1, 2009 | Brooklyn TTC March OpenTournament · View matches | 1,980 | 1,900 | -80+10 / -90 | 3W / 3L |
| Mar 1, 2009 | 10th FIT Open TT ChampionshipTournament · View matches | 1,900 | 1,921 | +21+25 / -4 | 4W / 3L |
| Feb 8, 2009 | NYTTF February OpenTournament · View matches | 1,933 | 1,980 | +47+73 / -26 | 8W / 4L |
| Feb 1, 2009 | Brooklyn TTC February OpenTournament · View matches | 1,949 | 1,933 | -16+8 / -24 | 3W / 2L |
| Dec 20, 2008 | USATT Nationals ChampionshipsTournament · View matches | 1,933 | 1,949 | +16+70 / -54 | 9W / 6L |
| Dec 7, 2008 | NYTTF December OpenTournament · View matches | 1,918 | 1,933 | +15+20 / -5 | 5W / 3L |
| Nov 30, 2008 | 2008 JOOLA American Teams OpenTournament · View matches | 1,949 | 1,918 | -31+8 / -39 | 5W / 7L |
| Nov 23, 2008 | NJTTC November OpenTournament · View matches | 1,969 | 1,949 | -20+0 / -20 | 3W / 1L |
| Nov 16, 2008 | Brooklyn TTC November OpenTournament · View matches | 1,937 | 1,969 | +32+70 / -38 | 9W / 3L |
| Oct 26, 2008 | 9th FIT Open TT ChampionshipsTournament · View matches | 1,900 | 1,937 | +37+38 / -1 | 8W / 2L |
| Oct 5, 2008 | NYTTF October OpenTournament · View matches | 1,924 | 1,900 | -24 | 2W / 5L |
| Sep 28, 2008 | 2008 Bay State Giant RRTournament · View matches | 1,934 | 1,924 | -10 | 7W / 4L |
| Sep 21, 2008 | Brooklyn TTC September OpenTournament · View matches | 1,943 | 1,934 | -9 | 7W / 3L |
| Sep 14, 2008 | 2008 NA Tour Finals OpenTournament · View matches | 1,934 | 1,943 | +9+22 / -13 | 8W / 3L |
| Aug 31, 2008 | SpinmaniaTournament · View matches | 1,890 | 1,934 | +44+65 / -21 | 12W / 5L |
| Aug 24, 2008 | NYTTF August OpenTournament · View matches | 1,905 | 1,890 | -15+2 / -17 | 3W / 3L |
| Aug 17, 2008 | Matthew Murad Memorial OpenTournament · View matches | 1,909 | 1,905 | -4+13 / -17 | 7W / 6L |
| Aug 10, 2008 | Brooklyn TTC August OpenTournament · View matches | 1,892 | 1,909 | +17+54 / -37 | 4W / 4L |