Wins
49
Indexed tournament wins
Player record
John Tentor
Losses
153
Indexed tournament losses
Matches
202
Decisive results
Win rate
24.3%
Across indexed matches
Peak rating
1,371
Highest rating in the available history.
Biggest upset
Chason Koh
2004 USA Nationals Championship · Dec 18, 2004 · +578 rating
Open →Biggest loss
Ibrahim, Joshua
2009 US Nationals · Dec 19, 2009 · -352 rating
Open →Most frequent opponent
Shapiro, Mark
4 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
21 tournament appearances · synced Aug 9, 2026, 4:21 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Dec 18, 1994 | US NationalsTournament · View matches | 1,215 | 1,257 | +42+52 / -10 | 5W / 7L |
21–21 of 21
PreviousPage 2 of 2