Wins
12
Indexed tournament wins
Player record
Shum, Jonathan
Losses
8
Indexed tournament losses
Matches
20
Decisive results
Win rate
60.0%
Across indexed matches
Peak rating
807
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Shukla, Amaresh
Concord Cup Youth Open · Nov 5, 2006 · -533 rating
Open →Most frequent opponent
Kong, Kailyn
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
4 tournament appearances · synced Aug 8, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 15, 2007 | Butterfly Northern CA Spring OTournament · View matches | 781 | 770 | -11+15 / -26 | 3W / 2L |
| Feb 18, 2007 | Western OpenTournament · View matches | 750 | 781 | +31+31 / 0 | 4W / 1L |
| Nov 5, 2006 | Concord Cup Youth OpenTournament · View matches | 807 | 750 | -57 | 5W / 2L |
| Oct 22, 2006 | 2006 Stiga NA Tour FinalsTournament · View matches · Initial rating 807 | Unrated | 807 | — | 0W / 3L |
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