Wins
2
Indexed tournament wins
Player record
Iwabuchi, Koyo
Losses
1
Indexed tournament losses
Matches
3
Decisive results
Win rate
66.7%
Across indexed matches
Peak rating
2,379
Highest rating in the available history.
Biggest upset
Ron Pickett
US Open · Dec 17, 2017 · +2194 rating
Open →Most frequent opponent
Liu, Dan
1 matches
Open →Rating trajectory
Published rating movement across recorded events.
Rating history unavailable
More published rating points are needed before a trajectory can be drawn.
Tournament history
1 tournament appearances · synced Aug 7, 2026, 2:13 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 17, 2017 | US OpenTournament · View matches · Initial rating 2,379 | Unrated | 2,379 | 0+2 / -2 | 2W / 1L |
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