Player record

Shuhei (Sean) Adachi

ID 31682OHMaleInactive

Shuhei (Sean) Adachi's USATT rating is 1,808.

USATT rating1,808
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Wins

59

Indexed tournament wins

Losses

78

Indexed tournament losses

Matches

137

Decisive results

Win rate

43.1%

Across indexed matches

Peak rating

1,814

Highest rating in the available history.

Biggest upset

Jeff Smith

Buckeye Open 2005 · Apr 24, 2005 · +171 rating

Open →

Biggest loss

Bob Smith

Buckeye Open 2005 · Apr 24, 2005 · -283 rating

Open →

Most frequent opponent

Randy Burnett

3 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

13 tournament appearances · synced Aug 28, 2026, 2:25 AM

DateTournamentRating inRating afterPoints changedRecord
Jun 4, 2006Ohio ClosedTournament · View matches1,8141,808-66W / 4L
May 7, 2006St. Joseph Valley OpenTournament · View matches1,7611,814+53+66 / -133W / 7L
Apr 1, 2006Dayton Giant RR OpenTournament · View matches1,7231,761+386W / 4L
Mar 5, 2006Killerspin Presents the ArnoldTournament · View matches1,7111,723+12+17 / -54W / 2L
Nov 27, 20052005 N. American Teams Open ChTournament · View matches1,7021,711+912W / 8L
Nov 5, 2005Dayton Giant Double RR OpenTournament · View matches1,6581,702+44+75 / -313W / 8L
Jul 23, 20052005 OH Championships ClosedTournament · View matches1,6591,658-1+0 / -10W / 3L
May 22, 2005St. Joseph Valley OpenTournament · View matches1,6691,659-10+4 / -143W / 9L
Apr 24, 2005Buckeye Open 2005Tournament · View matches1,6691,6690+47 / -474W / 9L
Feb 19, 2005Columbus Giant RRTournament · View matches1,6951,669-26+16 / -422W / 8L
Nov 28, 20042004 N. American Teams Open TTTournament · View matches1,7821,695-877W / 11L
Jun 12, 2004Bob's IGA Hanover OpenTournament · View matches1,7481,782+34+38 / -45W / 1L
Mar 14, 2004Buckeye OpenTournament · View matches · Initial rating 1,748Unrated1,748-16+16 / -324W / 4L