Wins
3
Indexed tournament wins
Player record
Kobayashi, Ikumi
Losses
6
Indexed tournament losses
Matches
9
Decisive results
Win rate
33.3%
Across indexed matches
Peak rating
2,292
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
Alden, Geoff
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 16, 2026, 2:29 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 21, 2010 | 2010 Rochester New York OpenTournament · View matches · Initial rating 974 | Unrated | 974 | — | 1W / 5L |
| Jul 7, 2007 | U.S. Open ChampionshipsTournament · View matches · Initial rating 2,292 | Unrated | 2,292 | +4+14 / -10 | 2W / 1L |
1–2 of 2
Page 1 of 1