Player record

Osborn, John

ID 61211MIMaleInactive
Current rating1,525
Back to ratingsCompare player

Wins

56

Indexed tournament wins

Losses

29

Indexed tournament losses

Matches

85

Decisive results

Win rate

65.9%

Across indexed matches

Peak rating

1,620

Highest rating in the available history.

Biggest upset

Chi Lam

U.S. Open Team Championships · Dec 1, 1996 · +272 rating

Open →

Biggest loss

Downing, Jie

U.S. Open Team Championships · Dec 1, 1996 · -500 rating

Open →

Most frequent opponent

Jerome Weems

3 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

8 tournament appearances · synced Aug 8, 2026, 2:17 AM

DateTournamentRating inRating afterPoints changedRecord
May 17, 1997Rockford May OpenTournament · View matches1,6201,525-951W / 7L
Dec 1, 1996U.S. Open Team ChampionshipsTournament · View matches1,6001,620+2023W / 9L
Feb 17, 1996Grand Rapids Feb OpenTournament · View matches1,4751,600+1258W / 1L
Jan 21, 1996Cleveland Sun TV Winter OpenTournament · View matches1,4251,475+50+50 / 07W / 1L
Sep 30, 1995Grand Rapids TTC September OpenTournament · View matches1,3861,425+396W / 2L
Apr 29, 1995MI April OpenTournament · View matches1,3981,386-123W / 5L
Apr 1, 19951995 Michigan State ChampionshipTournament · View matches1,4181,398-20+0 / -201W / 2L
Aug 21, 1994Detroit OpenTournament · View matches1,3611,418+577W / 2L