Wins
6
Indexed tournament wins
Player record
Shirk, John
Losses
19
Indexed tournament losses
Matches
25
Decisive results
Win rate
24.0%
Across indexed matches
Peak rating
905
Highest rating in the available history.
Biggest upset
Not enough data
No qualifying upset available.
Biggest loss
Chan, Calvin
2007 Matthew J. Murad Memorial · Aug 12, 2007 · -455 rating
Open →Most frequent opponent
Michael Branch
3 matches
Open →Rating trajectory
Published rating movement across recorded events.
Tournament history
4 tournament appearances · synced Aug 11, 2026, 2:29 AM
| Date | Tournament | Rating in | Rating after | Points changed | Record |
|---|---|---|---|---|---|
| Aug 12, 2007 | 2007 Matthew J. Murad MemorialTournament · View matches | 857 | 786 | -71 | 0W / 3L |
| Aug 5, 2007 | Maryland CircuitTournament · View matches | 883 | 857 | -26 | 4W / 6L |
| Aug 13, 2006 | Maryland CircuitTournament · View matches | 905 | 883 | -22+0 / -22 | 2W / 5L |
| Jun 11, 2006 | Maryland CircuitTournament · View matches · Initial rating 905 | Unrated | 905 | — | 0W / 5L |
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