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
Spitzer, Robert
32 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
413 tournament appearances · synced Aug 9, 2026, 3:07 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 7, 2015 | LYTTC June OpenTournament · View matches | 1,733 | 1,730 | -3+6 / -9 | 2W / 4L |
| May 31, 2015 | Westchester 2015 May OpenTournament · View matches | 1,841 | 1,733 | -108 | 1W / 5L |
| May 16, 2015 | 2015 Woodbury OpenTournament · View matches | 1,812 | 1,841 | +29+40 / -11 | 7W / 3L |
| Apr 12, 2015 | LYTTC April OpenTournament · View matches | 1,836 | 1,820 | -16+31 / -47 | 3W / 3L |
| Mar 22, 2015 | 22nd Fit OpenTournament · View matches | 1,811 | 1,836 | +25+29 / -4 | 7W / 3L |
| Feb 28, 2015 | Princeton Pong Winter OpenTournament · View matches | 1,812 | 1,811 | -1+10 / -11 | 2W / 5L |
| Feb 22, 2015 | Westchester 2015 February OpenTournament · View matches | 1,862 | 1,812 | -50+12 / -62 | 4W / 3L |
| Nov 30, 2014 | 2014 JOOLA North American Teams ChampionshipsTournament · View matches | 1,762 | 1,862 | +100 | 10W / 13L |
| Nov 9, 2014 | NJTTC 2014 November OpenTournament · View matches | 1,856 | 1,762 | -94+0 / -94 | 2W / 5L |
| Nov 2, 2014 | NYITTC November 2014 OpenTournament · View matches | 1,875 | 1,856 | -19 | 4W / 4L |
| Oct 26, 2014 | Westchester 2014 October OpenTournament · View matches · USATT readjusted 1,785 → 1,841 | 1,785 | 1,875 | +34+43 / -9 | 7W / 2L |
| Sep 14, 2014 | NJTTC 2014 September OpenTournament · View matches | 1,780 | 1,785 | +5+16 / -11 | 5W / 4L |
| Jul 27, 2014 | Westchester 2014 July OpenTournament · View matches | 1,785 | 1,780 | -5+5 / -10 | 4W / 3L |
| Jul 20, 2014 | NYISC OpenTournament · View matches | 1,762 | 1,785 | +23+31 / -8 | 4W / 4L |
| Jul 19, 2014 | NJTTC 2014 Giant Round RobinTournament · View matches | 1,787 | 1,762 | -25+18 / -43 | 4W / 4L |
| Jul 5, 2014 | US OpenTournament · View matches | 1,802 | 1,787 | -15+16 / -31 | 2W / 4L |
| Jun 15, 2014 | NYITTC 10 Years Anniversary June 2014 OpenTournament · View matches | 1,787 | 1,797 | +10 | 5W / 2L |
| Jun 14, 2014 | NJTTC 2014 Giant Round RobinTournament · View matches · USATT readjusted 1,797 → 1,795 | 1,797 | 1,802 | +7+19 / -12 | 3W / 3L |
| May 25, 2014 | Westchester 2014 May OpenTournament · View matches | 1,761 | 1,787 | +26+32 / -6 | 8W / 3L |
| May 18, 2014 | LYTTC May OpenTournament · View matches | 1,857 | 1,761 | -96+5 / -101 | 3W / 4L |