Player record

John Ackerman

ID 30580MNMaleInactive

John Ackerman's USATT rating is 1,315.

USATT rating1,315

Wins

93

Indexed tournament wins

Losses

70

Indexed tournament losses

Matches

163

Decisive results

Win rate

57.1%

Across indexed matches

Peak rating

1,500

Highest rating in the available history.

Biggest upset

Seemant Teotia

Porky's Fall Classic · Oct 15, 2006 · +448 rating

Open →

Biggest loss

Lee Ford

Porky's Fall Classic Open · Oct 9, 2005 · -657 rating

Open →

Most frequent opponent

Richard (Rich) Haraldson

3 matches

Open →

Rating trajectory

Published rating movement across recorded events.

Tournament history

24 tournament appearances · synced Aug 26, 2026, 2:26 AM

DateTournamentRating inRating afterPoints changedRecord
Feb 28, 20042004 NAC Winter RRTournament · View matches830887+57+65 / -86W / 1L
Jan 25, 20042004 Star of the North State GamesTournament · View matches777830+534W / 2L
Dec 29, 2003Killerspin Open 2003Tournament · View matches778777-1+6 / -73W / 1L
Oct 11, 2003NAC Fall Giant Round RobinTournament · View matches · Initial rating 778Unrated7786W / 1L