Wins
302
Indexed tournament wins
Player record
Zack Guido
Losses
379
Indexed tournament losses
Matches
681
Decisive results
Win rate
44.3%
Across indexed matches
Peak rating
1,899
Highest rating in the available history.
Biggest upset
Stanley Hsu
Westchester 2017 May Open · May 27, 2017 · +544 rating
Open →Biggest loss
Christopher Wong
Westchester October 2019 Open · Oct 26, 2019 · -762 rating
Open →Most frequent opponent
Fahimi, Darius
6 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
62 tournament appearances · synced Aug 10, 2026, 3:57 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Jan 28, 2017 | Westchester 2017 January OpenTournament · View matches · USATT readjusted 916 → 967 | 916 | 1,022 | +55+58 / -3 | 3W / 1L |
| Oct 29, 2016 | Westchester 2016 October OpenTournament · View matches · Initial rating 916 | Unrated | 916 | -31+32 / -63 | 3W / 4L |
61–62 of 62
PreviousPage 4 of 4