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
Kwaovi Didi De Souza
38 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
219 tournament appearances · synced Aug 9, 2026, 3:47 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 21, 1998 | Atlanta Giant RRTournament · View matches | 1,863 | 1,838 | -25+25 / -50 | 3W / 4L |
| Oct 17, 1998 | T-Tonics ClassicsTournament · View matches | 1,843 | 1,863 | +20 | 8W / 2L |
| Oct 3, 1998 | 1998 Greater Atlanta ClosedTournament · View matches | 1,844 | 1,843 | -1 | 7W / 3L |
| Sep 12, 1998 | 1998 Decatur OpenTournament · View matches | 1,823 | 1,844 | +21+23 / -2 | 4W / 3L |
| Aug 9, 1998 | 1998 AAU Junior OlympicsTournament · View matches | 1,821 | 1,822 | +1+1 / 0 | 1W / 2L |
| Aug 8, 1998 | 1998 Jr. NationalsTournament · View matches | 1,822 | 1,823 | +1 | 4W / 2L |
| Aug 7, 1998 | 1998 Jr Oly TeamsTournament · View matches | 1,823 | 1,823 | 0+0 / 0 | 1W / 0L |
| Jun 6, 1998 | GA AAU State TrialsTournament · View matches | 1,804 | 1,821 | +17+17 / 0 | 7W / 1L |
| Apr 18, 1998 | Atlanta Spring OpenTournament · View matches | 1,797 | 1,804 | +7+15 / -8 | 8W / 4L |
| Mar 7, 1998 | Atlanta Open Giant RRTournament · View matches | 1,802 | 1,797 | -5+16 / -21 | 5W / 3L |
| Dec 6, 1997 | CATTC Fall OpenTournament · View matches | 1,804 | 1,802 | -2+0 / -2 | 3W / 1L |
| Nov 15, 1997 | Greater Atlanta ClosedTournament · View matches | 1,765 | 1,804 | +39 | 4W / 1L |
| Oct 18, 1997 | T-Tonics Classics Open TTTTournament · View matches | 1,761 | 1,765 | +4 | 7W / 3L |
| Aug 9, 1997 | 1997 Jr. NationalsTournament · View matches | 1,756 | 1,761 | +5+5 / 0 | 3W / 3L |
| Aug 9, 1997 | 1997 Junior OlympicsTournament · View matches | 1,792 | 1,756 | -36+4 / -40 | 4W / 3L |
| Jun 7, 1997 | Georgia State Qualifing AAU/JrTournament · View matches | 1,786 | 1,792 | +6 | 6W / 1L |
| Sep 21, 1996 | 1996 Greater Atlanta (Closed)Tournament · View matches | 1,778 | 1,786 | +8+14 / -6 | 5W / 2L |
| Aug 7, 1996 | 1996 Jr. OlympicsTournament · View matches · Initial rating 1,796 | Unrated | 1,796 | — | 1W / 5L |
| Aug 7, 1996 | 1996 Jr. NationalsTournament · View matches | 1,796 | 1,778 | -18+0 / -18 | 0W / 2L |
201–219 of 219
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