Player record

Dumbuya, Israel

ID 28488NCMaleInactive
Current rating1,569

Wins

206

Indexed tournament wins

Losses

348

Indexed tournament losses

Matches

554

Decisive results

Win rate

37.2%

Across indexed matches

Peak rating

1,669

Highest rating in the available history.

Biggest upset

Zaghmout, Yasmine Jamal

Maryland Circuit · Oct 3, 2004 · +469 rating

Open →

Biggest loss

Palmer, John

Maryland Circuit · Feb 8, 2004 · -556 rating

Open →

Most frequent opponent

Jarrin, David

17 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

52 tournament appearances · synced Aug 12, 2026, 2:22 AM

DateTournamentRating inRating afterPoints changedRecord
May 2, 2004Maryland CircuitTournament · View matches · USATT readjusted 1,106 → 1,2941,1061,327+33+58 / -255W / 4L
Apr 17, 2004Maryland State ClosedTournament · View matches1,1481,106-42+17 / -594W / 10L
Apr 4, 2004Maryland CircuitTournament · View matches1,0961,148+525W / 2L
Mar 7, 2004Maryland CircuitTournament · View matches1,1061,096-10+13 / -232W / 7L
Feb 8, 2004Maryland CircuitTournament · View matches1,1041,106+24W / 6L
Jan 11, 2004Maryland CircuitTournament · View matches9801,104+1248W / 3L
Apr 26, 2003Maryland ClosedTournament · View matches984980-4+14 / -182W / 4L
Apr 6, 2003Maryland CircuitTournament · View matches990984-6+4 / -103W / 4L
Mar 22, 2003Maryland Giant RRTournament · View matches1,001990-11+32 / -437W / 3L
Mar 9, 2003Maryland CircuitTournament · View matches · USATT readjusted 909 → 9669091,001+35+39 / -47W / 4L
Feb 9, 2003Maryland CircuitTournament · View matches902909+78W / 5L
Jan 12, 2003Maryland CircuitTournament · View matches · Initial rating 902Unrated902+13+32 / -196W / 3L