Wins
0
Indexed tournament wins
Player record
Gruber, Michael
Losses
5
Indexed tournament losses
Matches
5
Decisive results
Win rate
0.0%
Across indexed matches
Peak rating
1,500
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Hajduk, Gizella
New York City Open Presented by · Apr 12, 2009 · -168 rating
Open →Most frequent opponent
Green, Daniel
1 match
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 12, 2026, 2:23 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 12, 2009 | New York City Open Presented byTournament · View matches | 1,500 | 1,465 | -35+0 / -35 | 0W / 3L |
| Oct 6, 2002 | 2002 New York State ClosedTournament · View matches · Initial rating 1,500 | Unrated | 1,500 | — | 0W / 2L |
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