Player record

Dewitt, Mark

ID 28746AZMaleInactive
Current rating1,736

Wins

328

Indexed tournament wins

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

DateTournamentRating inRating afterPoints changedRecord
Dec 22, 20122012 U.S. NationalsTournament · View matches1,7421,736-64W / 7L
Dec 2, 2012Valley of the Sun OpenTournament · View matches1,6971,742+45+53 / -86W / 7L
Sep 30, 2012Best of the West OpenTournament · View matches1,7161,697-19+47 / -668W / 6L
Jul 22, 2012Arizona Sizzler OpenTournament · View matches1,5951,716+12111W / 9L
May 5, 2012Arizona ClosedTournament · View matches1,6511,595-56+0 / -560W / 3L
Feb 12, 2012Arizona OpenTournament · View matches1,6081,651+438W / 2L
Dec 4, 2011Valley of the Sun OpenTournament · View matches1,5791,608+29+30 / -12W / 2L
Jul 17, 2011Arizona Sizzler OpenTournament · View matches1,5921,579-133W / 6L
Jun 12, 2011Grand Canyon State Summer GamesTournament · View matches1,5981,592-6+11 / -175W / 3L
Mar 27, 2011Grand Canyon State Winter GamesTournament · View matches1,6161,598-18+15 / -335W / 8L
Dec 18, 20102010 US NationalsTournament · View matches1,6241,616-85W / 8L
Dec 5, 2010Valley of the Sun OpenTournament · View matches1,6421,624-18+4 / -223W / 3L
Sep 26, 2010Best of the West OpenTournament · View matches1,6631,642-21+12 / -334W / 5L
May 2, 2010Arizona ClosedTournament · View matches1,6701,663-7+3 / -101W / 3L
Mar 28, 2010Grand Canyon State Winter GamesTournament · View matches1,7061,670-36+13 / -491W / 5L
Feb 21, 2010Arizona OpenTournament · View matches1,6841,706+22+40 / -183W / 4L
Dec 19, 20092009 US NationalsTournament · View matches1,6561,684+28+60 / -327W / 9L
Dec 6, 2009Valley of the SunTournament · View matches1,6801,656-242W / 8L
Oct 4, 2009Arizona SizzlerTournament · View matches1,6731,680+7+19 / -122W / 6L
Aug 2, 2009Best of the West OpenTournament · View matches · USATT readjusted 1,578 → 1,6311,5781,673+42+44 / -24W / 4L