Wins
68
Indexed tournament wins
Player record
Josh Bornstein
Losses
37
Indexed tournament losses
Matches
105
Decisive results
Win rate
64.8%
Across indexed matches
Peak rating
1,787
Highest rating in the available history.
Biggest upset
Lim, June
2004 Westside Spring Open · May 2, 2004 · +212 rating
Open →Biggest loss
Suzuki, Minako
Pacific Coast Open · Sep 7, 1997 · -334 rating
Open →Most frequent opponent
Bobrow, Adam
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
21 tournament appearances · synced Aug 7, 2026, 2:34 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Sep 13, 2025 | 2025 CALIFORNIA STATE OPENTournament · View matches | 1,570 | 1,555 | -15+1 / -16 | 2W / 5L |
| Nov 19, 2023 | SMC PROF. JO KIDD MEMORIAL TOURNAMENTTournament · View matches | 1,634 | 1,570 | -64+6 / -70 | 2W / 3L |
| Aug 19, 2023 | California Open 2023Tournament · View matches | 1,642 | 1,634 | -8+12 / -20 | 4W / 4L |
| Jun 21, 2015 | California State OpenTournament · View matches | 1,657 | 1,642 | -15+0 / -15 | 6W / 2L |
| Mar 29, 2015 | Golden Western OpenTournament · View matches | 1,696 | 1,651 | -45+6 / -51 | 2W / 3L |
| Jun 22, 2014 | California State OpenTournament · View matches | 1,706 | 1,696 | -10+0 / -10 | 2W / 1L |
| Jun 23, 2013 | California State OpenTournament · View matches | 1,701 | 1,706 | +5+12 / -7 | 3W / 1L |
| Mar 24, 2013 | Golden Western OpenTournament · View matches | 1,725 | 1,701 | -24+1 / -25 | 1W / 1L |
| Jun 24, 2012 | California State OpenTournament · View matches | 1,768 | 1,725 | -43+5 / -48 | 2W / 2L |
| Apr 1, 2012 | Goldern Western OpenTournament · View matches | 1,783 | 1,768 | -15+1 / -16 | 1W / 1L |
| Jun 27, 2010 | California State OpenTournament · View matches | 1,787 | 1,783 | -4+3 / -7 | 2W / 1L |
| May 2, 2004 | 2004 Westside Spring OpenTournament · View matches | 1,672 | 1,787 | +115 | 5W / 1L |
| Sep 12, 1999 | Pacific Coast OpenTournament · View matches | 1,670 | 1,672 | +2+10 / -8 | 3W / 1L |
| Feb 14, 1999 | Golden Western States OpenTournament · View matches | 1,462 | 1,670 | +208 | 11W / 1L |
| Sep 13, 1998 | 1998 Pacific Coast OpenTournament · View matches | 1,477 | 1,462 | -15+0 / -15 | 0W / 2L |
| Aug 30, 1998 | AGBU TTTTournament · View matches | 1,525 | 1,477 | -48 | 1W / 2L |
| Jun 21, 1998 | California State OpenTournament · View matches | 1,497 | 1,525 | +28+30 / -2 | 7W / 1L |
| Sep 7, 1997 | Pacific Coast OpenTournament · View matches | 1,469 | 1,497 | +28+60 / -32 | 2W / 2L |
| Jul 20, 1997 | 1997 AGBUTournament · View matches | 1,437 | 1,469 | +32 | 6W / 1L |
| Jun 22, 1997 | California State OpenTournament · View matches | 1,399 | 1,437 | +38+44 / -6 | 6W / 1L |
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