Wins
127
Indexed tournament wins
Player record
Jonathan Wilhelm
Losses
303
Indexed tournament losses
Matches
430
Decisive results
Win rate
29.5%
Across indexed matches
Peak rating
1,823
Highest rating in the available history.
Biggest upset
Ebron, Carlos Donnell
Maryland Feb Circuit · Feb 9, 1997 · +572 rating
Open →Biggest loss
Sevilla, Santiago
So. Florida Open Warm-Up Tournament · Jun 29, 2008 · -464 rating
Open →Most frequent opponent
Triumph, Clyde
8 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
63 tournament appearances · synced Aug 8, 2026, 3:33 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| May 16, 1998 | Maryland Medallion ChampionshipTournament · View matches | 1,484 | 1,461 | -23+2 / -25 | 3W / 6L |
| Mar 20, 1998 | 1998 Eastern OpenTournament · View matches | 1,478 | 1,484 | +6+14 / -8 | 3W / 2L |
| Mar 15, 1998 | MDTTC March OpenTournament · View matches | 1,512 | 1,478 | -34+0 / -34 | 0W / 2L |
| Jan 18, 1998 | MDTTC January OpenTournament · View matches | 1,512 | 1,512 | 0+0 / 0 | 0W / 2L |
| Nov 23, 1997 | Potomac Fall OpenTournament · View matches | 1,514 | 1,512 | -2+0 / -2 | 0W / 8L |
| Oct 12, 1997 | MDTTC October OpenTournament · View matches | 1,528 | 1,514 | -14+0 / -14 | 0W / 4L |
| Apr 20, 1997 | MdTTC April OpenTournament · View matches | 1,544 | 1,528 | -16 | 0W / 6L |
| Feb 9, 1997 | Maryland Feb CircuitTournament · View matches · USATT readjusted 1,187 → 1,436 | 1,187 | 1,544 | +108+130 / -22 | 3W / 7L |
| Nov 10, 1996 | NTTC November OpenTournament · View matches | 1,187 | 1,187 | 0+0 / 0 | 0W / 3L |
| Oct 6, 1996 | NTTC October OpenTournament · View matches | 1,203 | 1,187 | -16+7 / -23 | 1W / 5L |
| Sep 15, 1996 | NTTC September OpenTournament · View matches | 1,203 | 1,203 | 0+0 / 0 | 0W / 2L |
| Aug 25, 1996 | NTTC August OpenTournament · View matches | 1,190 | 1,203 | +13+13 / 0 | 1W / 4L |
| Jun 18, 1995 | NTTC June OpenTournament · View matches | 1,190 | 1,190 | 0+0 / 0 | 0W / 6L |
| Mar 19, 1995 | NTTC March OpenTournament · View matches | 1,198 | 1,190 | -8+0 / -8 | 0W / 3L |
| Feb 18, 1995 | NTTC February OpenTournament · View matches | 1,193 | 1,198 | +5+28 / -23 | 2W / 5L |
| Nov 27, 1994 | US TeamsTournament · View matches | 1,182 | 1,193 | +11 | 1W / 16L |
| Sep 4, 1994 | NTTC September OpenTournament · View matches | 1,143 | 1,182 | +39 | 2W / 4L |
| Aug 14, 1994 | Maryland CircuitTournament · View matches | 1,161 | 1,143 | -18 | 1W / 8L |
| Jul 24, 1994 | NTTC July OpenTournament · View matches | 1,266 | 1,161 | -105 | 2W / 6L |
| Jul 10, 1994 | Maryland CircuitTournament · View matches · USATT readjusted 1,052 → 1,241 | 1,052 | 1,266 | +25+28 / -3 | 4W / 4L |