Wins
374
Indexed tournament wins
Player record
Sierra, Jaime
Losses
345
Indexed tournament losses
Matches
719
Decisive results
Win rate
52.0%
Across indexed matches
Peak rating
1,828
Highest rating in the available history.
Biggest upset
Rabinovich, Boris
$2550 Westside Open · Oct 29, 1995 · +371 rating
Open →Biggest loss
Watson, Clinton
Kennedy Memorial Park Spring C · May 9, 1999 · -428 rating
Open →Most frequent opponent
Yee, David
11 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
83 tournament appearances · synced Aug 8, 2026, 2:16 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 13, 1998 | Westfield September OpenTournament · View matches | 1,738 | 1,726 | -12+1 / -13 | 3W / 1L |
| Aug 16, 1998 | Sun TV OpenTournament · View matches | 1,789 | 1,738 | -51+5 / -56 | 4W / 3L |
| Jul 5, 1998 | 1998 US OpenTournament · View matches · USATT readjusted 1,673 → 1,739 | 1,673 | 1,789 | +50+74 / -24 | 11W / 5L |
| May 17, 1998 | Westfield May OpenTournament · View matches | 1,684 | 1,673 | -11+24 / -35 | 5W / 3L |
| May 10, 1998 | 34th St. Jospeh Valley Open/AlTournament · View matches | 1,645 | 1,684 | +39 | 8W / 3L |
| Apr 19, 1998 | Champions March OpenTournament · View matches | 1,673 | 1,645 | -28+4 / -32 | 3W / 3L |
| Feb 15, 1998 | February Westfield OpenTournament · View matches | 1,640 | 1,673 | +33+42 / -9 | 2W / 3L |
| Jan 18, 1998 | January Westfield OpenTournament · View matches | 1,670 | 1,640 | -30+0 / -30 | 3W / 5L |
| Dec 14, 1997 | December Westfield OpenTournament · View matches | 1,700 | 1,670 | -30+1 / -31 | 3W / 4L |
| Nov 16, 1997 | November Westfield OpenTournament · View matches | 1,694 | 1,700 | +6+17 / -11 | 3W / 3L |
| Nov 9, 1997 | Champions November OpenTournament · View matches | 1,703 | 1,694 | -9+1 / -10 | 1W / 1L |
| Nov 2, 1997 | Bay State 1997 Giant RRTournament · View matches | 1,730 | 1,703 | -27+25 / -52 | 4W / 8L |
| Oct 19, 1997 | October Westfield OpenTournament · View matches | 1,828 | 1,730 | -98+0 / -98 | 1W / 3L |
| Sep 21, 1997 | September Westfield OpenTournament · View matches | 1,789 | 1,828 | +39 | 6W / 3L |
| Jul 6, 1997 | U.S. OpenTournament · View matches · USATT readjusted 1,654 → 1,808 | 1,654 | 1,789 | -19+82 / -101 | 10W / 7L |
| Mar 16, 1997 | NJTTC March OpenTournament · View matches | 1,656 | 1,654 | -2+8 / -10 | 3W / 3L |
| Feb 23, 1997 | February Westfield OpenTournament · View matches | 1,721 | 1,656 | -65+15 / -80 | 3W / 7L |
| Jan 26, 1997 | January Westfield OpenTournament · View matches | 1,666 | 1,721 | +55+76 / -21 | 8W / 4L |
| Jan 11, 1997 | Bay State Holiday OpenTournament · View matches | 1,639 | 1,666 | +27+32 / -5 | 2W / 4L |
| Dec 22, 1996 | 1996 U.S. NationalsTournament · View matches | 1,664 | 1,639 | -25+21 / -46 | 5W / 11L |