Wins
4
Indexed tournament wins
Player record
O'Boyle, Robert
Losses
3
Indexed tournament losses
Matches
7
Decisive results
Win rate
57.1%
Across indexed matches
Peak rating
1,231
Highest rating in the available history.
Biggest upset
Ezmirlian, John
Thousand Oaks Classic · Apr 24, 1994 · +248 rating
Open →Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
Cevallos, David
2 matches
Open →Rating trajectory
Published rating movement across recorded events.
Rating history unavailable
More published rating points are needed before a trajectory can be drawn.
Tournament history
1 tournament appearances · synced Aug 11, 2026, 2:24 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Apr 24, 1994 | Thousand Oaks ClassicTournament · View matches | 1,028 | 1,231 | +203 | 4W / 3L |
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