Player record

Grindeland, John

ID 62219MNMaleInactive
Current rating1,650
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Wins

63

Indexed tournament wins

Losses

33

Indexed tournament losses

Matches

96

Decisive results

Win rate

65.6%

Across indexed matches

Peak rating

1,698

Highest rating in the available history.

Biggest upset

Mui, Edward

1996 Star of the North State G · Jan 14, 1996 · +342 rating

Open →

Biggest loss

Davidson, Ken

Star of the North State Games · Jan 22, 1995 · -420 rating

Open →

Most frequent opponent

Peterson, Aaron

3 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

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

DateTournamentRating inRating afterPoints changedRecord
Jan 27, 20082008 Minnesota State ChampionshipTournament · View matches1,6581,650-8+39 / -474W / 4L
Oct 28, 20072007 Porky's Fall ClassicTournament · View matches1,6981,658-40+0 / -401W / 1L
Jan 28, 20072007 Minnesota State ChampionsTournament · View matches · USATT readjusted 1,325 → 1,6781,3251,698+20+29 / -911W / 2L
Jan 25, 20042004 Star of the North State GamesTournament · View matches1,3241,325+1+1 / 01W / 1L
Jan 24, 19991999 Star of the North State GTournament · View matches1,2971,324+27+35 / -82W / 1L
Feb 1, 1998Star of the North Winter SportTournament · View matches1,0841,297+21310W / 6L
Jan 19, 1997Star of the North Winter SportTournament · View matches1,0831,084+1+14 / -136W / 4L
Jan 14, 19961996 Star of the North State GTournament · View matches9551,083+1289W / 3L
Aug 5, 1995USATT Jr. NationalsTournament · View matches9559550+0 / 00W / 3L
Aug 5, 1995AAU Jr. OlympicsTournament · View matches980955-25+0 / -250W / 3L
May 13, 1995Duluth Superior OpenTournament · View matches981980-19W / 2L
Jan 22, 1995Star of the North State GamesTournament · View matches887981+9410W / 3L