Wins
16
Indexed tournament wins
Player record
Yamagata, Masaru
Losses
7
Indexed tournament losses
Matches
23
Decisive results
Win rate
69.6%
Across indexed matches
Peak rating
2,518
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Lonergan, Sean Michael
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 15, 2026, 2:18 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 4, 1994 | Hofstra OpenTournament · View matches | 2,507 | 2,518 | +11+19 / -8 | 6W / 2L |
| Nov 27, 1994 | US TeamsTournament · View matches · Initial rating 2,507 | Unrated | 2,507 | — | 10W / 5L |
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