Wins
0
Indexed tournament wins
Player record
Haak, John
Losses
9
Indexed tournament losses
Matches
9
Decisive results
Win rate
0.0%
Across indexed matches
Peak rating
1,329
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Not enough data
No qualifying loss available.
Most frequent opponent
David I. Rubin
1 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
2 tournament appearances · synced Aug 8, 2026, 2:19 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Feb 18, 2007 | Western OpenTournament · View matches | 1,329 | 1,326 | -3+0 / -3 | 0W / 6L |
| Feb 11, 2007 | Lunar New Year's OpenTournament · View matches · Initial rating 1,329 | Unrated | 1,329 | — | 0W / 3L |
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