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, 2004 | 13th Annual Decatur OpenTournament · View matches | 2,211 | 2,206 | -5+2 / -7 | 5W / 1L |
| Jul 18, 2004 | Georgia GamesTournament · View matches | 2,210 | 2,211 | +1+5 / -4 | 5W / 2L |
| Apr 10, 2004 | 2004 ACUI TT ChampionshipsTournament · View matches | 2,242 | 2,210 | -32+0 / -32 | 2W / 2L |
| Mar 21, 2004 | Stiga 'Cary Cup' OpenTournament · View matches · USATT readjusted 2,159 → 2,213 | 2,159 | 2,242 | +29+40 / -11 | 9W / 3L |
| Mar 13, 2004 | Atlanta Giant Round RobinTournament · View matches | 2,218 | 2,159 | -59+0 / -59 | 5W / 3L |
| Feb 29, 2004 | 2004 Spin OpenTournament · View matches | 2,230 | 2,218 | -12+3 / -15 | 6W / 2L |
| Jan 3, 2004 | Ben Hill/Stiga OpenTournament · View matches | 2,245 | 2,230 | -15+5 / -20 | 3W / 1L |
| Sep 7, 2003 | 2003 Spin ManiaTournament · View matches | 2,239 | 2,245 | +6+6 / 0 | 5W / 3L |
| Aug 16, 2003 | 2003 Decatur OpenTournament · View matches | 2,235 | 2,239 | +4+5 / -1 | 5W / 1L |
| Jul 20, 2003 | Georgia GamesTournament · View matches | 2,194 | 2,235 | +41+43 / -2 | 6W / 1L |
| Jul 6, 2003 | 2003 U.S. OpenTournament · View matches | 2,075 | 2,194 | +119 | 12W / 4L |
| Jun 29, 2003 | 2003 Spin OpenTournament · View matches | 2,043 | 2,075 | +32+42 / -10 | 10W / 4L |
| Jun 7, 2003 | Ben Hill/Stiga OpenTournament · View matches | 2,065 | 2,043 | -22+1 / -23 | 4W / 4L |
| May 3, 2003 | Scenic City OpenTournament · View matches | 2,078 | 2,065 | -13+0 / -13 | 3W / 3L |
| Apr 12, 2003 | Atlanta Spring OpenTournament · View matches | 2,083 | 2,078 | -5+1 / -6 | 6W / 2L |
| Mar 30, 2003 | Quaker city OpenTournament · View matches | 2,149 | 2,083 | -66 | 2W / 7L |
| Mar 28, 2003 | 2003 ACUI Collegiate NationalsTournament · View matches · USATT readjusted 2,062 → 2,113 | 2,062 | 2,149 | +36+37 / -1 | 5W / 1L |
| Mar 8, 2003 | Atlanta Open Giant RRTournament · View matches | 2,049 | 2,062 | +13+13 / 0 | 7W / 2L |
| Jan 4, 2003 | W.C. Cleveland Memorial OpenTournament · View matches | 2,052 | 2,049 | -3 | 2W / 2L |
| Dec 1, 2002 | Stiga N.A. Teams ChampionshipsTournament · View matches | 2,170 | 2,052 | -118 | 13W / 14L |