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 |
|---|---|---|---|---|---|
| Jul 21, 2002 | 2002 Georgia State GamesTournament · View matches | 2,131 | 2,170 | +39 | 6W / 1L |
| Jul 7, 2002 | 2002 U.S. OpenTournament · View matches | 2,136 | 2,131 | -5+13 / -18 | 4W / 4L |
| Apr 20, 2002 | Atlanta Winter OpenTournament · View matches | 2,132 | 2,136 | +4+12 / -8 | 7W / 3L |
| Apr 6, 2002 | ACUI/NCTTA Natl Collegiate ChampionshipTournament · View matches | 2,139 | 2,132 | -7+0 / -7 | 4W / 1L |
| Mar 24, 2002 | Buckeye OpenTournament · View matches | 2,168 | 2,139 | -29 | 5W / 6L |
| Mar 9, 2002 | Atlanta March Giant RRTournament · View matches · USATT readjusted 2,047 → 2,114 | 2,047 | 2,168 | +54+55 / -1 | 9W / 1L |
| Feb 3, 2002 | Orlando Winter OpenTournament · View matches | 2,057 | 2,047 | -10+7 / -17 | 2W / 2L |
| Dec 1, 2001 | Atlanta Fall OpenTournament · View matches | 2,067 | 2,057 | -10+10 / -20 | 6W / 2L |
| Aug 18, 2001 | Decatur OpenTournament · View matches | 2,095 | 2,067 | -28 | 5W / 3L |
| Jul 22, 2001 | Georgia State GamesTournament · View matches | 2,083 | 2,095 | +12+14 / -2 | 4W / 3L |
| May 27, 2001 | 36th St. Joseph Valley OpenTournament · View matches | 2,061 | 2,083 | +22 | 7W / 5L |
| May 13, 2001 | 2001 Nashville OpenTournament · View matches | 2,117 | 2,061 | -56+0 / -56 | 0W / 4L |
| Apr 28, 2001 | Atlanta Spring OpenTournament · View matches | 2,116 | 2,117 | +1+3 / -2 | 2W / 2L |
| Apr 7, 2001 | SCENIC CITY OPEN-TNTournament · View matches | 2,116 | 2,116 | 0+2 / -2 | 6W / 2L |
| Mar 31, 2001 | 2001 ACUI National ChampionshiTournament · View matches | 2,113 | 2,116 | +3+9 / -6 | 4W / 2L |
| Feb 4, 2001 | Orlando Winter OpenTournament · View matches | 2,099 | 2,113 | +14+21 / -7 | 4W / 2L |
| Dec 2, 2000 | Atlanta Winter OpenTournament · View matches | 2,081 | 2,099 | +18+20 / -2 | 4W / 4L |
| Nov 26, 2000 | No. Amer. Teams Open ChampionshipsTournament · View matches | 2,114 | 2,081 | -33 | 10W / 13L |
| Nov 11, 2000 | Atlanta Giant RRTournament · View matches | 2,089 | 2,114 | +25+26 / -1 | 6W / 2L |
| Oct 21, 2000 | T-Tonics ClassicsTournament · View matches | 2,049 | 2,089 | +40 | 12W / 1L |