Wins
328
Indexed tournament wins
Player record
Dewitt, Mark
Losses
458
Indexed tournament losses
Matches
786
Decisive results
Win rate
41.7%
Across indexed matches
Peak rating
1,742
Highest rating in the available history.
Biggest upset
Draper, Dan
Valley of the Sun Open · Nov 30, 2003 · +448 rating
Open →Biggest loss
Keswani, Max
Grand Canyon State Winter Games · Mar 30, 2008 · -476 rating
Open →Most frequent opponent
Jay Turberville
21 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
77 tournament appearances · synced Aug 8, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jun 16, 2007 | Grand Canyon State Summer GameTournament · View matches | 1,611 | 1,628 | +17+29 / -12 | 2W / 4L |
| Apr 22, 2007 | Arizona ClosedTournament · View matches | 1,586 | 1,611 | +25+40 / -15 | 4W / 6L |
| Mar 18, 2007 | Grand Canyon State Winter GameTournament · View matches | 1,571 | 1,586 | +15+25 / -10 | 5W / 5L |
| Feb 25, 2007 | Arizona OpenTournament · View matches · USATT readjusted 1,469 → 1,537 | 1,469 | 1,571 | +34+50 / -16 | 4W / 4L |
| Dec 16, 2006 | U.S. National ChampionshipsTournament · View matches | 1,445 | 1,469 | +24 | 5W / 9L |
| Dec 10, 2006 | Valley of the Sun OpenTournament · View matches | 1,448 | 1,445 | -3+0 / -3 | 0W / 3L |
| Oct 8, 2006 | Arizona SizzlerTournament · View matches | 1,526 | 1,448 | -78 | 3W / 5L |
| Jun 3, 2006 | Grand Canyon State Summer GamesTournament · View matches | 1,544 | 1,526 | -18+3 / -21 | 1W / 2L |
| Mar 18, 2006 | Grand Canyon State Winter GamesTournament · View matches | 1,516 | 1,544 | +28+44 / -16 | 5W / 6L |
| Feb 19, 2006 | Arizona OpenTournament · View matches | 1,588 | 1,516 | -72+12 / -84 | 5W / 7L |
| Dec 4, 2005 | Valley of the Sun OpenTournament · View matches | 1,457 | 1,588 | +131 | 10W / 10L |
| Oct 9, 2005 | Phoenix OpenTournament · View matches | 1,446 | 1,457 | +11 | 8W / 8L |
| Aug 14, 2005 | Arizona SizzlerTournament · View matches | 1,342 | 1,446 | +104 | 8W / 6L |
| Jul 10, 2005 | US OpenTournament · View matches | 1,434 | 1,342 | -92 | 2W / 7L |
| Jun 12, 2005 | Best of the West OpenTournament · View matches | 1,410 | 1,434 | +24+33 / -9 | 8W / 7L |
| Jun 4, 2005 | Grand Canyon State Summer GameTournament · View matches | 1,376 | 1,410 | +34+53 / -19 | 7W / 3L |
| Apr 17, 2005 | Arizona ClosedTournament · View matches | 1,416 | 1,376 | -40+12 / -52 | 6W / 11L |
| Mar 13, 2005 | Grand Canyon State Winter GameTournament · View matches | 1,447 | 1,416 | -31+5 / -36 | 2W / 5L |
| Feb 20, 2005 | Arizona OpenTournament · View matches · USATT readjusted 1,314 → 1,463 | 1,314 | 1,447 | -16+69 / -85 | 4W / 9L |
| Dec 5, 2004 | Valley of the Sun OpenTournament · View matches | 1,332 | 1,314 | -18 | 4W / 11L |