Wins
5
Indexed tournament wins
Player record
Castaneda, John
Losses
4
Indexed tournament losses
Matches
9
Decisive results
Win rate
55.6%
Across indexed matches
Peak rating
651
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
On, David
Golden State Open · May 24, 1998 · -102 rating
Open →Most frequent opponent
Atha Fong
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
3 tournament appearances · synced Aug 8, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 16, 1998 | San Francisco Summer OpenTournament · View matches | 649 | 647 | -2+0 / -2 | 2W / 1L |
| May 24, 1998 | Golden State OpenTournament · View matches | 651 | 649 | -2+0 / -2 | 3W / 1L |
| May 2, 1998 | Cinco De Mayo RRTournament · View matches · Initial rating 651 | Unrated | 651 | — | 0W / 2L |
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