Wins
180
Indexed tournament wins
Player record
John Olsen
Losses
77
Indexed tournament losses
Matches
257
Decisive results
Win rate
70.0%
Across indexed matches
Peak rating
2,014
Highest rating in the available history.
Biggest upset
Massoum Moayery
2011 Butterfly MDTTC September Open · Sep 11, 2011 · +211 rating
Open →Biggest loss
Prapanpong Pongsriiam
2008 JOOLA American Teams Open · Nov 30, 2008 · -268 rating
Open →Most frequent opponent
Reginald Willis
4 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
35 tournament appearances · synced Aug 26, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 21, 2008 | Club Joola September OpenTournament · View matches | 1,785 | 1,784 | -1+15 / -16 | 5W / 1L |
| Sep 7, 2008 | MDTTC Butterfly September OpenTournament · View matches | 1,776 | 1,785 | +9+14 / -5 | 4W / 1L |
| May 25, 2008 | Eastern Open on the 2008 JOOLATournament · View matches | 1,776 | 1,776 | 0+9 / -9 | 4W / 2L |
| Apr 27, 2008 | Club Joola April OpenTournament · View matches | 1,776 | 1,776 | 0+0 / 0 | 0W / 2L |
| Apr 13, 2008 | MDTTC Butterfly April OpenTournament · View matches | 1,769 | 1,776 | +7+7 / 0 | 4W / 0L |
| Mar 30, 2008 | Club Joola March OpenTournament · View matches | 1,771 | 1,769 | -2+3 / -5 | 2W / 1L |
| Nov 25, 2007 | 2007 JOOLA N. American Teams OTournament · View matches | 1,818 | 1,771 | -47 | 10W / 7L |
| Sep 16, 2007 | MDTTC Butterfly September OpenTournament · View matches · USATT readjusted 1,840 → 1,850 | 1,840 | 1,818 | -32+8 / -40 | 4W / 1L |
| Aug 12, 2007 | 2007 Matthew J. Murad MemorialTournament · View matches · USATT readjusted 1,745 → 1,807 | 1,745 | 1,840 | +33+36 / -3 | 8W / 1L |
| Jul 7, 2007 | U.S. Open ChampionshipsTournament · View matches | 1,736 | 1,745 | +9+11 / -2 | 3W / 1L |
| May 27, 2007 | Eastern OpenTournament · View matches | 1,789 | 1,736 | -53+0 / -53 | 0W / 3L |
| Apr 8, 2007 | MDTTC Butterfly Spring OpenTournament · View matches | 1,781 | 1,789 | +8+8 / 0 | 6W / 0L |
| Jun 18, 2006 | 2006 New Jersey OpenTournament · View matches | 1,811 | 1,781 | -30+0 / -30 | 0W / 2L |
| Nov 29, 1998 | 1998 North American Teams ChampionshipsTournament · View matches | 1,723 | 1,811 | +88 | 7W / 4L |
| Mar 20, 1998 | 1998 Eastern OpenTournament · View matches | 1,727 | 1,723 | -4+6 / -10 | 1W / 1L |
21–35 of 35
PreviousPage 2 of 2