Wins
8
Indexed tournament wins
Player record
Mason, Jon
Losses
9
Indexed tournament losses
Matches
17
Decisive results
Win rate
47.1%
Across indexed matches
Peak rating
519
Highest rating in the available history.
Biggest upset
Barrett, Laverne
Stiga Pacific Rim Open · Nov 7, 1999 · +154 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Barrett, Laverne
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
3 tournament appearances · synced Aug 8, 2026, 2:24 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Nov 7, 1999 | Stiga Pacific Rim OpenTournament · View matches | 499 | 519 | +20 | 5W / 3L |
| Jun 13, 1999 | 1999 Seattle OpenTournament · View matches | 500 | 499 | -1+0 / -1 | 0W / 3L |
| Nov 8, 1998 | 1998 Pacific Rim OpenTournament · View matches · Initial rating 500 | Unrated | 500 | — | 3W / 3L |
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