Wins
1,440
Indexed tournament wins
Player record
John Mar
Losses
644
Indexed tournament losses
Matches
2,084
Decisive results
Win rate
69.1%
Across indexed matches
Peak rating
2,312
Highest rating in the available history.
Biggest upset
Mikhail Kazantsev
2003 U.S. Open · Jul 6, 2003 · +317 rating
Open →Biggest loss
Liu, William
2011 JOOLA N. American Teams O · Nov 27, 2011 · -655 rating
Open →Most frequent opponent
De Souza, Kwaovi Didi
38 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
219 tournament appearances · synced Aug 8, 2026, 3:32 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 21, 2010 | 19th Annual Decatur OpenTournament · View matches | 2,223 | 2,258 | +35+38 / -3 | 6W / 1L |
| Aug 7, 2010 | Gambler Foothills Gold Dollar UpsetTournament · View matches | 2,231 | 2,223 | -8+2 / -10 | 5W / 2L |
| Jul 3, 2010 | 2010 US OpenTournament · View matches | 2,221 | 2,231 | +10+35 / -25 | 10W / 4L |
| Mar 6, 2010 | Atlanta Giant Round RobinTournament · View matches | 2,203 | 2,221 | +18+22 / -4 | 8W / 1L |
| Jan 3, 2010 | 5th Ben Hill Holiday ClassicTournament · View matches | 2,256 | 2,203 | -53+0 / -53 | 7W / 3L |
| Nov 29, 2009 | 2009 JOOLA N. American Teams OTournament · View matches | 2,255 | 2,256 | +1 | 12W / 8L |
| Nov 7, 2009 | Atlanta Giant RRTournament · View matches | 2,245 | 2,255 | +10+16 / -6 | 9W / 1L |
| Aug 9, 2009 | 2009 Aliana Open ChampionshipsTournament · View matches | 2,248 | 2,245 | -3 | 5W / 2L |
| Jul 19, 2009 | Georgia GamesTournament · View matches | 2,238 | 2,248 | +10 | 3W / 1L |
| Jul 4, 2009 | US Open TT ChampionshipTournament · View matches | 2,244 | 2,238 | -6 | 3W / 4L |
| Mar 22, 2009 | 2009 Butterfly Cary Cup ChampionshipTournament · View matches | 2,232 | 2,244 | +12+18 / -6 | 12W / 2L |
| Aug 16, 2008 | 17th Annual Decatur OpenTournament · View matches | 2,265 | 2,232 | -33+2 / -35 | 4W / 1L |
| Jul 20, 2008 | Georgia GamesTournament · View matches | 2,257 | 2,265 | +8+18 / -10 | 5W / 2L |
| Jul 5, 2008 | U.S. OpenTournament · View matches | 2,266 | 2,257 | -9+7 / -16 | 3W / 4L |
| Jun 22, 2008 | 2008 Life OpenTournament · View matches | 2,272 | 2,266 | -6 | 6W / 5L |
| Jun 7, 2008 | 2008 Spintech Summer ClassicTournament · View matches | 2,305 | 2,272 | -33+0 / -33 | 8W / 2L |
| Mar 17, 2008 | 2008 Cary Cup ChampionshipTournament · View matches · USATT readjusted 2,222 → 2,277 | 2,222 | 2,305 | +28+46 / -18 | 6W / 6L |
| Mar 8, 2008 | Atlanta Giant RRTournament · View matches | 2,210 | 2,222 | +12+14 / -2 | 9W / 1L |
| Jan 5, 2008 | Ben Hill Holiday ClassicTournament · View matches | 2,230 | 2,210 | -20+6 / -26 | 7W / 2L |
| Nov 25, 2007 | 2007 JOOLA N. American Teams OTournament · View matches | 2,188 | 2,230 | +42 | 10W / 4L |