Player record

Derrick Mumah

ID 31165TXMaleInactive

Derrick Mumah's USATT rating is 2,146.

USATT rating2,146
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Wins

66

Indexed tournament wins

Losses

19

Indexed tournament losses

Matches

85

Decisive results

Win rate

77.6%

Across indexed matches

Peak rating

2,146

Highest rating in the available history.

Biggest upset

Bong Geun Kim

Georgia Games · Jul 17, 2005 · +298 rating

Open →

Biggest loss

George Cooper

Southeastern Classic · Apr 14, 2007 · -225 rating

Open →

Most frequent opponent

George Cooper

5 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

12 tournament appearances · synced Aug 26, 2026, 2:23 AM

DateTournamentRating inRating afterPoints changedRecord
Apr 18, 2009Xtreme TT Texas Spring OpenTournament · View matches2,1462,1460+0 / 05W / 0L
Nov 1, 20082008 DFWTT Fall OpenTournament · View matches2,0982,146+4815W / 1L
Jul 22, 2007Georgia GamesTournament · View matches2,1102,098-12+4 / -162W / 2L
Apr 21, 2007Joseph Newgarden Dogwood Arts Tournament · View matches2,1092,110+1+21 / -205W / 2L
Apr 14, 2007Southeastern ClassicTournament · View matches2,1362,109-27+27 / -545W / 3L
Jul 16, 2006Georgia State GamesTournament · View matches2,1372,136-1+4 / -51W / 2L
Nov 13, 20052005 Spin OpenTournament · View matches2,1282,137+9+12 / -33W / 1L
Aug 14, 20052005 Summer Broward TT OpenTournament · View matches2,1372,128-99W / 3L
Jul 17, 2005Georgia GamesTournament · View matches2,1172,137+20+61 / -415W / 3L
Nov 6, 2004Atlanta Giant Round RobinTournament · View matches2,1172,1170+0 / 01W / 0L
Jun 6, 2004Ben Hill/Stiga OpenTournament · View matches2,1122,117+5+23 / -185W / 2L
Jan 3, 2004Ben Hill/Stiga OpenTournament · View matches · Initial rating 2,112Unrated2,112—10W / 0L