Wins
163
Indexed tournament wins
Player record
Johnny Yam
Losses
168
Indexed tournament losses
Matches
331
Decisive results
Win rate
49.2%
Across indexed matches
Peak rating
2,001
Highest rating in the available history.
Biggest upset
Sarma, Justin
Golden State Open · May 25, 2008 · +409 rating
Open →Biggest loss
Sonowal, Chandva Kamal
2019 Ultimate Fieldhouse April Open · Apr 20, 2019 · -321 rating
Open →Most frequent opponent
Phong Dao
5 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
49 tournament appearances · synced Aug 8, 2026, 8:59 PM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 20, 2008 | Sacramento Summer OpenTournament · View matches · USATT readjusted 1,550 → 1,622 | 1,550 | 1,658 | +36+43 / -7 | 4W / 3L |
| Aug 31, 2008 | 2008 Life West OpenTournament · View matches | 1,576 | 1,550 | -26+35 / -61 | 3W / 5L |
| Jun 29, 2008 | Newgy US Open Warm-UpTournament · View matches | 1,581 | 1,576 | -5+0 / -5 | 0W / 7L |
| May 31, 2008 | Sacramento Spring OpenTournament · View matches | 1,601 | 1,581 | -20 | 3W / 6L |
| May 25, 2008 | Golden State OpenTournament · View matches · USATT readjusted 1,311 → 1,555 | 1,311 | 1,601 | +46+72 / -26 | 6W / 6L |
| Mar 22, 2008 | 2008 Western OpenTournament · View matches | 1,294 | 1,311 | +17+19 / -2 | 5W / 4L |
| Mar 1, 2008 | Sacramento Winter OpenTournament · View matches | 1,307 | 1,294 | -13+0 / -13 | 1W / 5L |
| Oct 28, 2007 | Concord Cup Youth TournamentTournament · View matches | 1,236 | 1,307 | +71 | 6W / 3L |
| Aug 19, 2007 | San Francisco Summer OpenTournament · View matches · Initial rating 1,236 | Unrated | 1,236 | -4+27 / -31 | 2W / 2L |
41–49 of 49
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