Wins
46
Indexed tournament wins
Player record
Johnson, Jason
Losses
149
Indexed tournament losses
Matches
195
Decisive results
Win rate
23.6%
Across indexed matches
Peak rating
1,212
Highest rating in the available history.
Biggest upset
McCormick, Michael
Butterfly/East Gate Open Series · Jan 16, 2010 · +617 rating
Open →Biggest loss
Keim, Michael
2016 Millcreek Giant Round Robin · Apr 16, 2016 · -349 rating
Open →Most frequent opponent
MacClaren, Mary Beth
4 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
24 tournament appearances · synced Aug 8, 2026, 2:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Mar 4, 2007 | The Arnold TT ChampionshipsTournament · View matches | 470 | 470 | 0+0 / 0 | 0W / 8L |
| Oct 29, 2006 | 2006 Millcreek OpenTournament · View matches | 508 | 470 | -38 | 3W / 9L |
| Jun 4, 2006 | MDTTC Butterfly June OpenTournament · View matches · USATT readjusted 418 → 468 | 418 | 508 | +40+40 / 0 | 1W / 5L |
| Apr 23, 2006 | Millcreek Giant RRTournament · View matches · Initial rating 418 | Unrated | 418 | — | 1W / 7L |
21–24 of 24
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