Wins
2
Indexed tournament wins
Player record
Koby Chen
Losses
16
Indexed tournament losses
Matches
18
Decisive results
Win rate
11.1%
Across indexed matches
Peak rating
200
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
Joshi, Mihir
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
4 tournament appearances · synced Aug 9, 2026, 3:12 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 31, 2025 | *** ADMIN RATING ADJUSTMENT ***Tournament · View matches | 100 | 200 | +100 | 0W / 0L |
| Mar 16, 2019 | 2019 Sacramento Winter OpenTournament · View matches | 100 | 100 | 0 | 1W / 5L |
| Aug 11, 2018 | Sacramento Summer Open Giant RR & 3 Player Team!Tournament · View matches | 99 | 100 | +1+8 / -7 | 1W / 5L |
| May 19, 2018 | 2018 Sacramento Spring OpenTournament · View matches | Unrated | 99 | — | 0W / 6L |
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